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authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>2006-02-21 15:59:00 +0900
committerRalf Baechle <ralf@linux-mips.org>2006-02-27 17:30:37 +0000
commit2fd628fe25e1f3d07996b0dab728ea0702f81306 (patch)
treef57882e33f96141ba59f8f188e8797adb40e42b0
parent92f22c183cd669c8575767fede8fe43bb4f7bce9 (diff)
downloadop-kernel-dev-2fd628fe25e1f3d07996b0dab728ea0702f81306.zip
op-kernel-dev-2fd628fe25e1f3d07996b0dab728ea0702f81306.tar.gz
[MIPS] Use generic compat routines for readdir, getdents
Not just cleanup but also fixes O32 readdir(2) emulation. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r--arch/mips/kernel/linux32.c54
-rw-r--r--arch/mips/kernel/scall64-n32.S2
-rw-r--r--arch/mips/kernel/scall64-o32.S4
3 files changed, 3 insertions, 57 deletions
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 5f68b22..e00e5f6 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -161,60 +161,6 @@ out:
return error;
}
-struct dirent32 {
- unsigned int d_ino;
- unsigned int d_off;
- unsigned short d_reclen;
- char d_name[NAME_MAX + 1];
-};
-
-static void
-xlate_dirent(void *dirent64, void *dirent32, long n)
-{
- long off;
- struct dirent *dirp;
- struct dirent32 *dirp32;
-
- off = 0;
- while (off < n) {
- dirp = (struct dirent *)(dirent64 + off);
- dirp32 = (struct dirent32 *)(dirent32 + off);
- off += dirp->d_reclen;
- dirp32->d_ino = dirp->d_ino;
- dirp32->d_off = (unsigned int)dirp->d_off;
- dirp32->d_reclen = dirp->d_reclen;
- strncpy(dirp32->d_name, dirp->d_name, dirp->d_reclen - ((3 * 4) + 2));
- }
- return;
-}
-
-asmlinkage long
-sys32_getdents(unsigned int fd, void * dirent32, unsigned int count)
-{
- long n;
- void *dirent64;
-
- dirent64 = (void *)((unsigned long)(dirent32 + (sizeof(long) - 1)) & ~(sizeof(long) - 1));
- if ((n = sys_getdents(fd, dirent64, count - (dirent64 - dirent32))) < 0)
- return(n);
- xlate_dirent(dirent64, dirent32, n);
- return(n);
-}
-
-asmlinkage int old_readdir(unsigned int fd, void * dirent, unsigned int count);
-
-asmlinkage int
-sys32_readdir(unsigned int fd, void * dirent32, unsigned int count)
-{
- int n;
- struct dirent dirent64;
-
- if ((n = old_readdir(fd, &dirent64, count)) < 0)
- return(n);
- xlate_dirent(&dirent64, dirent32, dirent64.d_reclen);
- return(n);
-}
-
asmlinkage int
sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr, int options)
{
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index d87b544..02c8267 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -195,7 +195,7 @@ EXPORT(sysn32_call_table)
PTR sys_fdatasync
PTR sys_truncate
PTR sys_ftruncate /* 6075 */
- PTR sys32_getdents
+ PTR compat_sys_getdents
PTR sys_getcwd
PTR sys_chdir
PTR sys_fchdir
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 5b04140..797e0d8 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -293,7 +293,7 @@ sys_call_table:
PTR sys_uselib
PTR sys_swapon
PTR sys_reboot
- PTR sys32_readdir
+ PTR compat_sys_old_readdir
PTR old_mmap /* 4090 */
PTR sys_munmap
PTR sys_truncate
@@ -345,7 +345,7 @@ sys_call_table:
PTR sys_setfsuid
PTR sys_setfsgid
PTR sys32_llseek /* 4140 */
- PTR sys32_getdents
+ PTR compat_sys_getdents
PTR compat_sys_select
PTR sys_flock
PTR sys_msync
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