diff options
Diffstat (limited to 'drivers/staging/unisys/visorutil/easyproc.c')
| -rw-r--r-- | drivers/staging/unisys/visorutil/easyproc.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/staging/unisys/visorutil/easyproc.c b/drivers/staging/unisys/visorutil/easyproc.c index 60b6b83d1b20..3b388494e2af 100644 --- a/drivers/staging/unisys/visorutil/easyproc.c +++ b/drivers/staging/unisys/visorutil/easyproc.c @@ -1,4 +1,4 @@ -/* Copyright © 2010 - 2013 UNISYS CORPORATION +/* Copyright (C) 2010 - 2013 UNISYS CORPORATION * All rights reserved. * * This program is free software; you can redistribute it and/or modify @@ -61,6 +61,7 @@ static struct proc_dir_entry * createProcDir(char *name, struct proc_dir_entry *parent) { struct proc_dir_entry *p = proc_mkdir_mode(name, S_IFDIR, parent); + if (p == NULL) ERRDRV("failed to create /proc directory %s", name); return p; @@ -196,6 +197,7 @@ void visor_easyproc_InitDevice(struct easyproc_driver_info *pdriver, { if ((pdriver->ProcDeviceDir != NULL) && (p->procDevicexDir == NULL)) { char s[29]; + sprintf(s, "%d", devno); p->procDevicexDir = createProcDir(s, pdriver->ProcDeviceDir); p->devno = devno; @@ -267,6 +269,7 @@ void visor_easyproc_DeInitDevice(struct easyproc_driver_info *pdriver, struct easyproc_device_info *p, int devno) { size_t i; + for (i = 0; i < ARRAY_SIZE(p->device_property_info); i++) { if (p->device_property_info[i].procEntry != NULL) { struct easyproc_device_property_info *px = @@ -281,6 +284,7 @@ void visor_easyproc_DeInitDevice(struct easyproc_driver_info *pdriver, } if (p->procDevicexDir != NULL) { char s[29]; + sprintf(s, "%d", devno); remove_proc_entry(s, pdriver->ProcDeviceDir); p->procDevicexDir = NULL; @@ -334,6 +338,7 @@ static ssize_t proc_write_driver(struct file *file, const char __user *buffer, struct seq_file *seq = (struct seq_file *)file->private_data; struct easyproc_driver_info *p = NULL; char local_buf[256]; + if (seq == NULL) return 0; p = (struct easyproc_driver_info *)(seq->private); @@ -356,6 +361,7 @@ static ssize_t proc_write_device(struct file *file, const char __user *buffer, struct seq_file *seq = (struct seq_file *)file->private_data; struct easyproc_device_info *p = NULL; char local_buf[256]; + if (seq == NULL) return 0; p = (struct easyproc_device_info *)(seq->private); |