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path: root/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
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2015-05-08staging: rtl8712: freeing an ERR_PTRDan Carpenter
If memdup_user() fails then "pparmbuf" is an error pointer and we can't pass it to kfree(). I changed the "goto _r871x_mp_ioctl_hdl_exit" to a direct return. I changed the earlier goto to a direct return as well for consistency and removed the "pparmbuf = NULL" initializer since it's no longer needed. Fixes: 45de432775d6 ('Staging: rtl8712: Use memdup_user() instead of copy_from_user()') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-04-03staging: rtl8712: Drop unneeded cast on netdev_privJulia Lawall
The result of netdev_priv is already implicitly cast to the type of the left side of the assignment. The semantic patch that fixes this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ type T; T *x; @@ x = - (T *) netdev_priv(...) // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-04-01Staging: rtl8712: Use memdup_user() instead of copy_from_user()Cristina Opriceana
Use memdup_user() to avoid its duplicated implementation and simplify code. memdup_user() uses GFP_KERNEL instead of GFP_ATOMIC, which is valid because copy_from_user() might sleep and it's useless to make the allocation atomic. Found with coccinelle. Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-18Staging: rtl8712: replace memcpy with ether_addr_copyHaneen Mohammed
This patch replace memcpy with ethe_addr_copy to address the following warning generated by checkpatch.pl: ""Prefer ether_addr_copy over memcpy if the Ethernet addresses are __aligned(2)" Follwoing is the output of pahole for the relevant datastructures: 1- for "iwe.u.ap_addr.sa_data" and "wrqu->ap_addr.sa_data" struct sockaddr { sa_family_t sa_family; /* 0 2 */ char sa_data[14]; /* 2 14 */ /* size: 16, cachelines: 1, members: 2 */ /* last cacheline: 16 bytes */ }; struct iw_event { __u16 len; /* 0 2 */ __u16 cmd; /* 2 2 */ /* XXX 4 bytes hole, try to pack */ union iwreq_data u; /* 8 16 */ /* size: 24, cachelines: 1, members: 3 */ /* sum members: 20, holes: 1, sum holes: 4 */ /* last cacheline: 24 bytes */ }; 2- for "pnetwork->network.MacAddress" and "pcur_bss->MacAddress" struct wlan_network { struct list_head list; /* 0 16 */ int network_type; /* 16 4 */ int fixed; /* 20 4 */ unsigned int last_scanned; /* 24 4 */ int aid; /* 28 4 */ int join_res; /* 32 4 */ struct ndis_wlan_bssid_ex network; /* 36 884 */ /* --- cacheline 14 boundary (896 bytes) was 24 bytes ago --- */ /* size: 920, cachelines: 15, members: 7 */ /* last cacheline: 24 bytes */ }; struct ndis_wlan_bssid_ex { u32 Length; /* 0 4 */ unsigned char MacAddress[6]; /* 4 6 */ u8 Reserved[2]; /* 10 2 */ struct ndis_802_11_ssid Ssid; /* 12 36 */ u32 Privacy; /* 48 4 */ s32 Rssi; /* 52 4 */ enum NDIS_802_11_NETWORK_TYPE NetworkTypeInUse; /* 56 4 */ struct NDIS_802_11_CONFIGURATION Configuration; /* 60 32 */ /* --- cacheline 1 boundary (64 bytes) was 28 bytes ago --- */ enum NDIS_802_11_NETWORK_INFRASTRUCTURE InfrastructureMode; /* 92 4 */ NDIS_802_11_RATES_EX SupportedRates; /* 96 16 */ u32 IELength; /* 112 4 */ u8 IEs[768]; /* 116 768 */ /* --- cacheline 13 boundary (832 bytes) was 52 bytes ago --- */ /* size: 884, cachelines: 14, members: 12 */ /* last cacheline: 52 bytes */ }; Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-06staging: rtl8712: replace memset(x,0,ETH_ALEN)Aya Mahfouz
eth_zero_addr() is a wrapper function for memset if 0 is going to be assigned to a mac address. The aforementioned function replaces memset. In addition, linux/etherdevice.h was included as a header since it is the file that defines the inline function eth_zero_addr(). The changes were carried out using the following coccinelle script: @header@ @@ #include <linux/etherdevice.h> @eth_zero_addr@ expression e; @@ -memset(e,0,ETH_ALEN); +eth_zero_addr(e); @eth_broadcast_addr@ identifier e; @@ -memset(e,\(0xff\|0xFF\|255\),ETH_ALEN); +eth_broadcast_addr(e); @linux_header depends on !header && (eth_zero_addr || eth_broadcast_addr) @ @@ + #include <linux/etherdevice.h> + @special_header depends on !header && !linux_header && (eth_zero_addr || eth_broadcast_addr) @ @@ + + #include <linux/etherdevice.h> + @custom_header depends on !header && !linux_header && !special_header && (eth_zero_addr || eth_broadcast_addr) @ @@ + + #include <linux/etherdevice.h> Signed-off-by: Aya Mahfouz <mahfouz.saif.elyazal@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-02-26Staging: rtl8712: Use mod_timerVaishali Thakkar
This patch introduces the use of API function mod_timer instead of driver specific function as it is a more efficient and standard way to update the expire field of an active timer. Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-01-17staging: rtl8712: remove spaces before commasMax Perepelitsyn
checkpatch.pl fix for ERROR: space prohibited before that ',' (ctx:WxE) Signed-off-by: Max Perepelitsyn <mperepelitsyn@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-29staging: rtl8712: remove unused variablesSudip Mukherjee
unused variables are removed. These variables were only assigned some values and after that they were never being used. So they are safe to be removed , and it has been build tested. I left a call to r8712_read32(padapter, TCR) and r8712_read8(padapter, SDIO_HCPWM) . r8712_read32() and r8712_read8() is ultimately calling usb_read32() and usb_read8() respectively. and they are again calling r8712_usbctrl_vendorreq(). this r8712_usbctrl_vendorreq() is communicating through the usb bus and is sending and receiving the control msg. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-20staging: rtl8712: Remove unnecessary cast for argument of kfreeTapasweni Pathak
This patch removes all occurrences of unnecessary cast on the argument to kfree, all over in rtl8712. There is no need of the cast on the argument to kfree. Greped to find occurrences. Signed-off-by: Tapasweni Pathak <tapaswenipathak@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-28staging: rtl8712: add new line after declarationsTapasweni Pathak
This patch fixes checkpatch.pl warning in hal_init.c file WARNING : Missing a blank line after declarations Signed-off-by: Tapasweni Pathak <tapaswenipathak@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-23Staging: rtl8712 : Fix line over 80 charactersTapasweni Pathak
This patch fixes checkpatch.pl warning in files of rtl8712 WARNING : line over 80 characters Signed-off-by: Tapasweni Pathak <tapaswenipathak@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-23Staging: rtl8712: remove break after return statementTapasweni Pathak
This patch fixes checkpatch.pl warning in rtl871x_ioctl_linux.c file WARNING : break is not useful after goto or return Signed-off-by: Tapasweni Pathak <tapaswenipathak@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-06-26staging: rtl8712: remove function get_list_headJames A Shackleford
get_list_head is an inline that returns &list->head. This patch removes this inline and directly applies &list->head where applicable. Signed-off-by: James A Shackleford <shack@linux.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-06-26staging: rtl8712: remove wrapper function get_nextJames A Shackleford
get_next is just an inline wrapper around return list->next. This patch removes the wrapper and directly uses list->next where applicable. Signed-off-by: James A Shackleford <shack@linux.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-06-19staging: rtl8712: rtl871x_ioctl_linux.c: Cleaning up useless if statementRickard Strandqvist
The same code regardless of the outcome of the if statement. And clean up another duplicate line of code. Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-25staging: rtl8712: remove _malloc()Vitaly Osipov
This patch removes all usage of _malloc() and the function itself. Most uses are straightforward replacements by kmalloc(..., GFP_ATOMIC), because this was the definition of _malloc(). In a few places it was possible to use kzalloc() or memdup_user. A further improvement would be to replace GFP_ATOMIC with GFP_KERNEL where possible. Verified by compilation only. Initial replacement done by running a Coccinelle script along the lines of: @@ type T; expression E; identifier V; @@ - V = (T) _malloc(E); + V = kmalloc(E, GFP_ATOMIC); @@ expression E, E1; @@ - E1 = _malloc(E); + E1 = kmalloc(E, GFP_ATOMIC); Signed-off-by: Vitaly Osipov <vitaly.osipov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-24staging: rtl8712: fix potential leak in r871x_wx_set_enc_ext()Christian Engelmayer
Fix a potential leak in the error path of r871x_wx_set_enc_ext(). In case the requested algorithm is not supported by the driver, the function returns without freeing the already allocated 'param' struct. Move the input verification to the beginning of the function so that the direct return is safe. Detected by Coverity - CID 144373. Signed-off-by: Christian Engelmayer <cengelma@gmx.at> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-17staging: delete non-required instances of include <linux/init.h>Paul Gortmaker
None of these files are actually using any __init type directives and hence don't need to include <linux/init.h>. Most are just a left over from __devinit and __cpuinit removal, or simply due to code getting copied from one driver to the next. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-10-03Staging: rtl8712: fix spaces before semicolonsThomas Cort
Resolve all of the 'WARNING: space prohibited before semicolon' checkpatch warnings for rtl8712. Signed-off-by: Thomas Cort <linuxgeek@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-07-23staging: rtl8712: return MAC in standard formAndy Shevchenko
MAC respresentation should follow standard form. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-11rtl8712: replace min with min_tPrzemo Firszt
I've changed the ugly casting here and used min_t() instead. I also changed the u16 to a u32 because ->network.Ssid.SsidLength is 32 bits. It doesn't make a difference, but truncating the upper bits away is sloppy. Signed-off-by: Przemo Firszt <przemo@firszt.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-11rtl8712: replace printk with better solutionsPrzemo Firszt
Replace printk with netdev_printk helpers, dev_printk helpers or pr_err/warn/info if there is no device info available. Signed-off-by: Przemo Firszt <przemo@firszt.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-07staging: rtl8712: avoid a useless call to memset().Cyril Roelandt
In r8711_wx_get_wap(), make sure we do not call memcpy() on a memory area that has just been zeroed by a call to memset(). Signed-off-by: Cyril Roelandt <tipecaml@gmail.com> Acked-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-22staging: r8712u: fix potential NULL pointer dereference in r871x_wps_start()Wei Yongjun
The dereference should be moved below the NULL test. dpatch engine is used to auto generate this patch. (https://github.com/weiyj/dpatch) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-04staging: r8712u: use is_broadcast_ether_addr() to simplify the codeWei Yongjun
Using is_broadcast_ether_addr() to simplify the code. spatch with a semantic match is used to found this problem. (http://coccinelle.lip6.fr/) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-05-09staging: rtl8712: Fix typos.Justin P. Mattock
Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-18drivers: staging: rtl8172: Remove unneeded include of version.hMarcos Paulo de Souza
The output of "make versioncheck" told us that: drivers/staging/rtl8712/osdep_service.h: 32 linux/version.h not needed. drivers/staging/rtl8712/rtl871x_ioctl_linux.c: 46 linux/version.h not needed. If we take a look at these files, we will agree to remove it. Cc: Larry Finger <Larry.Finger@lwfinger.net> Cc: Florian Schilhabel <florian.c.schilhabel@googlemail.com> Cc: <devel@driverdev.osuosl.org> Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com> ACKed-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-10staging: replace open-coded ARRAY_SIZEsJim Cromie
spatch http://coccinelle.lip6.fr/rules/array.cocci did these. Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-02-29staging: r8712u: Fix regression in signal level after commit c6dc001Larry Finger
In commit c6dc001 "staging: r8712u: Merging Realtek's latest (v2.6.6). Various fixes", the returned qual.qual member of the iw_statistics struct was changed. For strong signals, this change made no difference; however for medium and weak signals it results in a low signal that shows considerable fluctuation, When using wicd for a medium-strength AP, the value reported in the status line is reduced from 100% to 60% by this bug. This problem is reported in https://bugzilla.kernel.org/show_bug.cgi?id=42826. Reported-and-tested-by: Robert Crawford <wrc1944@gmail.com> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2011-09-06staging: r8712u: Most return-values changed from -1 to proper errno macros.Ali Bahar
The ioctl handlers were frequently returning -1 upon failure. Most of these have now been changed to proper errno macros. The few remaining ones have been left untouched because either the handler is not called (and so cannot be tested), or the function never fails (and so cannot be system-tested), or requires new code to distinguish its failures. Signed-off-by: Ali Bahar <ali@internetDog.org> Cc: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-09-06staging: r8712u: Merging Realtek's latest (v2.6.6). Various fixes.Ali Bahar
passive_mode added to private ioctls. New private ioctls added for RSSI, link speed, mac address, scan type, and DCE-D. In r8711_wx_get_scan(), we now sleep only 100 times, instead of 1000. In r8711_wx_set_essid(), added a check for Ad-Hoc state. In r8711_wx_get_rate(), added a check for RTL8712_RF_2T2R RF type. Added Set chplan. In r871x_get_wireless_stats(), updated the mechanism for displaying link quality. Added SetDIG and SetRA commands. r8712_joinbss_cmd() no longer checks for Ad-Hoc mode. Signed-off-by: Ali Bahar <ali@internetDog.org> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-09-06staging: r8712u: Merging Realtek's latest (v2.6.6). Use stack, not malloc.Ali Bahar
translate_scan() now uses the stack for some variables, instead of mallocing. Signed-off-by: Ali Bahar <ali@internetDog.org> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-09-06staging: r8712u: Merging Realtek's latest (v2.6.6). Updated include directives.Ali Bahar
These are the new include directives for header files. The following were (somehow!) not explicity in Realtek's, but proved necessary: "linux/usb.h" is needed for usb_alloc_urb(); "linux/interrupt.h" is needed for tasklet_struct. It was often a nested include. Signed-off-by: Ali Bahar <ali@internetDog.org> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-09-06staging: r8712u: Merging Realtek's latest (v2.6.6). Renamed _netdev_priv.Ali Bahar
Renamed _netdev_priv to netdev_priv. Signed-off-by: Ali Bahar <ali@internetDog.org> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-23rtl8712: don't just return -EFAULT in wpa_supplicant_ioctl()Dan Carpenter
There were some curly braces missing so the original code in wpa_supplicant_ioctl() pretty much always returned -EFAULT without doing anything. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-23staging: r8712u: Sets to SSID, and to AP MAC#, can now be done when the ↵Ali Bahar
interface is Down. The original Realtek code assumed that ioctl Sets get done after the interface is Up. This included the set to Essid and to the AP MAC#; and it fit Realtek's installation procedure. But there is no such necessity for the adapter, and no stated requirement found elsewhere. Also, wireless drivers typically permit this. A typical error message used to be: Error for wireless request "Set ESSID" (8B1A) : SET failed on device wlan0 ; Operation not permitted. Signed-off-by: Ali Bahar <ali@internetDog.org> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-20staging: rtl8712: fixed coding style issuesJavier M. Mellid
Fixed some style and format issues with code. Signed-off-by: Javier M. Mellid <jmunhoz@igalia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-20Staging: rtl8712: redundant null check before kfree()Alexander Beregalov
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-03-14staging: rtl8712: Remove NULL check before kfreeIlia Mirkin
This patch was generated by the following semantic patch: // <smpl> @@ expression E; @@ - if (E != NULL) { kfree(E); } + kfree(E); @@ expression E; @@ - if (E != NULL) { kfree(E); E = NULL; } + kfree(E); + E = NULL; // </smpl> Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-03-07staging: rtl8712: check _malloc return valueXiaochen Wang
Description: The original check is wrong. Signed-off-by: Xiaochen Wang <wangxiaochen0@gmail.com> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-03-07staging: rtl8712: check copy_from_user return valueXiaochen Wang
Description:return -EFAULT if copy_to_user() fails Signed-off-by: Xiaochen Wang <wangxiaochen0@gmail.com> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-02-09Staging: rtl8712: fix math errors in snprintf()Dan Carpenter
The original code had calls to snprintf(p, 7, "wpa_ie=") but that string is 8 characters (because snprintf() puts a NUL terminator on the end). So instead of an '=' the what gets written to buf is a NUL terminator followed by the rest of the string. And actually the %02x formats are three chars as well when you include the terminator. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-01-21staging: r8712u: Fix sparse messageLarry Finger
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-09-20staging: rtl8712: '&pointer[0]' to 'pointer' fixAndy Shevchenko
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-09-16staging: rtl8712: use '%pM' format to print MAC addressAndy Shevchenko
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-09-08staging: rtl8712: throw away custom hex_to_bin()Andy Shevchenko
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-30staging: r8712u: Fix rate setting when HT is not enabledLarry Finger
When operating in normal bg mode, the maximum rate was fixed at 48 Mb/s. Signed-off-by: Albert Wang <albert_wang@realtek.com.tw> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2010-08-20staging: r8712u: Add the new driver to the mainline kernelLarry Finger
This code is for a completely new version of the Realtek 8192 USB devices such as the D-Link DWA-130. The Realtek code, which was originally for Linux, Windows XP and Windows CE, has been stripped of all code not needed for Linux. In addition, only one additional configuration variable, which enables AP mode, remains. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Florian Schilhabel <florian.c.schilhabel@googlemail.com> Tested-by: Frederic Leroy <fredo@starox.org>
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