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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-08-27 09:30:52 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-08-27 09:30:52 -0700
commitd96a2a5c6479342229416565944b56bc7a2b1a60 (patch)
treea17556ff042e739973decf0f4d1a21712e409520 /arch
parent50c46637aa894f904e2fb39086a3d7732f68bd50 (diff)
parent81b4b98ae484f11d97b3d5b8e88d916b74055b78 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6: [PARISC] Add NOTES section [PARISC] Use compat_sys_getdents [PARISC] Do not allow STI_CONSOLE to be modular [PARISC] Clean up sti_flush [PARISC] Add dummy isa_(bus|virt)_to_(virt|bus) inlines [PARISC] Add empty <asm-parisc/vga.h>
Diffstat (limited to 'arch')
-rw-r--r--arch/parisc/kernel/sys_parisc32.c141
-rw-r--r--arch/parisc/kernel/syscall_table.S4
-rw-r--r--arch/parisc/kernel/vmlinux.lds.S2
3 files changed, 3 insertions, 144 deletions
diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c
index bb23ff71c28e..2989c6682bf6 100644
--- a/arch/parisc/kernel/sys_parisc32.c
+++ b/arch/parisc/kernel/sys_parisc32.c
@@ -285,147 +285,6 @@ int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf)
return err;
}
-struct linux32_dirent {
- u32 d_ino;
- compat_off_t d_off;
- u16 d_reclen;
- char d_name[1];
-};
-
-struct old_linux32_dirent {
- u32 d_ino;
- u32 d_offset;
- u16 d_namlen;
- char d_name[1];
-};
-
-struct getdents32_callback {
- struct linux32_dirent __user * current_dir;
- struct linux32_dirent __user * previous;
- int count;
- int error;
-};
-
-struct readdir32_callback {
- struct old_linux32_dirent __user * dirent;
- int count;
-};
-
-#define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de)))
-static int filldir32 (void *__buf, const char *name, int namlen,
- loff_t offset, u64 ino, unsigned int d_type)
-{
- struct linux32_dirent __user * dirent;
- struct getdents32_callback * buf = (struct getdents32_callback *) __buf;
- int reclen = ALIGN(NAME_OFFSET(dirent) + namlen + 1, 4);
- u32 d_ino;
-
- buf->error = -EINVAL; /* only used if we fail.. */
- if (reclen > buf->count)
- return -EINVAL;
- d_ino = ino;
- if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
- return -EOVERFLOW;
- dirent = buf->previous;
- if (dirent)
- put_user(offset, &dirent->d_off);
- dirent = buf->current_dir;
- buf->previous = dirent;
- put_user(d_ino, &dirent->d_ino);
- put_user(reclen, &dirent->d_reclen);
- copy_to_user(dirent->d_name, name, namlen);
- put_user(0, dirent->d_name + namlen);
- dirent = ((void __user *)dirent) + reclen;
- buf->current_dir = dirent;
- buf->count -= reclen;
- return 0;
-}
-
-asmlinkage long
-sys32_getdents (unsigned int fd, void __user * dirent, unsigned int count)
-{
- struct file * file;
- struct linux32_dirent __user * lastdirent;
- struct getdents32_callback buf;
- int error;
-
- error = -EFAULT;
- if (!access_ok(VERIFY_WRITE, dirent, count))
- goto out;
-
- error = -EBADF;
- file = fget(fd);
- if (!file)
- goto out;
-
- buf.current_dir = (struct linux32_dirent __user *) dirent;
- buf.previous = NULL;
- buf.count = count;
- buf.error = 0;
-
- error = vfs_readdir(file, filldir32, &buf);
- if (error < 0)
- goto out_putf;
- error = buf.error;
- lastdirent = buf.previous;
- if (lastdirent) {
- if (put_user(file->f_pos, &lastdirent->d_off))
- error = -EFAULT;
- else
- error = count - buf.count;
- }
-
-out_putf:
- fput(file);
-out:
- return error;
-}
-
-static int fillonedir32(void * __buf, const char * name, int namlen,
- loff_t offset, u64 ino, unsigned int d_type)
-{
- struct readdir32_callback * buf = (struct readdir32_callback *) __buf;
- struct old_linux32_dirent __user * dirent;
- u32 d_ino;
-
- if (buf->count)
- return -EINVAL;
- d_ino = ino;
- if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
- return -EOVERFLOW;
- buf->count++;
- dirent = buf->dirent;
- put_user(d_ino, &dirent->d_ino);
- put_user(offset, &dirent->d_offset);
- put_user(namlen, &dirent->d_namlen);
- copy_to_user(dirent->d_name, name, namlen);
- put_user(0, dirent->d_name + namlen);
- return 0;
-}
-
-asmlinkage long
-sys32_readdir (unsigned int fd, void __user * dirent, unsigned int count)
-{
- int error;
- struct file * file;
- struct readdir32_callback buf;
-
- error = -EBADF;
- file = fget(fd);
- if (!file)
- goto out;
-
- buf.count = 0;
- buf.dirent = dirent;
-
- error = vfs_readdir(file, fillonedir32, &buf);
- if (error >= 0)
- error = buf.count;
- fput(file);
-out:
- return error;
-}
-
/*** copied from mips64 ***/
/*
* Ooo, nasty. We need here to frob 32-bit unsigned longs to
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 627f3c28ad8c..2540786a970f 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -222,9 +222,7 @@
ENTRY_SAME(setfsgid)
/* I think this might work */
ENTRY_SAME(llseek) /* 140 */
- /* struct linux_dirent has longs, like 'unsigned long d_ino' which
- * almost definitely should be 'ino_t d_ino' but it's too late now */
- ENTRY_DIFF(getdents)
+ ENTRY_COMP(getdents)
/* it is POSSIBLE that select will be OK because even though fd_set
* contains longs, the macros and sizes are clever. */
ENTRY_COMP(select)
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
index d4e6a93c8d9a..ee7a16eb6fdd 100644
--- a/arch/parisc/kernel/vmlinux.lds.S
+++ b/arch/parisc/kernel/vmlinux.lds.S
@@ -81,6 +81,8 @@ SECTIONS
__ex_table : { *(__ex_table) }
__stop___ex_table = .;
+ NOTES
+
__start___unwind = .; /* unwind info */
.PARISC.unwind : { *(.PARISC.unwind) }
__stop___unwind = .;