diff options
author | Len Brown <len.brown@intel.com> | 2008-10-23 07:57:26 +0400 |
---|---|---|
committer | Len Brown <len.brown@intel.com> | 2008-10-23 08:11:07 +0400 |
commit | 057316cc6a5b521b332a1d7ccc871cd60c904c74 (patch) | |
tree | 4333e608da237c73ff69b10878025cca96dcb4c8 /fs/compat.c | |
parent | 3e2dab9a1c2deb03c311eb3f83466009147ed4d3 (diff) | |
parent | 2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff) | |
download | linux-057316cc6a5b521b332a1d7ccc871cd60c904c74.tar.xz |
Merge branch 'linus' into test
Conflicts:
MAINTAINERS
arch/x86/kernel/acpi/boot.c
arch/x86/kernel/acpi/sleep.c
drivers/acpi/Kconfig
drivers/pnp/Makefile
drivers/pnp/quirks.c
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'fs/compat.c')
-rw-r--r-- | fs/compat.c | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/fs/compat.c b/fs/compat.c index 075d0509970d..5f9ec449c799 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -137,6 +137,45 @@ asmlinkage long compat_sys_utimes(char __user *filename, struct compat_timeval _ return compat_sys_futimesat(AT_FDCWD, filename, t); } +static int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf) +{ + compat_ino_t ino = stat->ino; + typeof(ubuf->st_uid) uid = 0; + typeof(ubuf->st_gid) gid = 0; + int err; + + SET_UID(uid, stat->uid); + SET_GID(gid, stat->gid); + + if ((u64) stat->size > MAX_NON_LFS || + !old_valid_dev(stat->dev) || + !old_valid_dev(stat->rdev)) + return -EOVERFLOW; + if (sizeof(ino) < sizeof(stat->ino) && ino != stat->ino) + return -EOVERFLOW; + + if (clear_user(ubuf, sizeof(*ubuf))) + return -EFAULT; + + err = __put_user(old_encode_dev(stat->dev), &ubuf->st_dev); + err |= __put_user(ino, &ubuf->st_ino); + err |= __put_user(stat->mode, &ubuf->st_mode); + err |= __put_user(stat->nlink, &ubuf->st_nlink); + err |= __put_user(uid, &ubuf->st_uid); + err |= __put_user(gid, &ubuf->st_gid); + err |= __put_user(old_encode_dev(stat->rdev), &ubuf->st_rdev); + err |= __put_user(stat->size, &ubuf->st_size); + err |= __put_user(stat->atime.tv_sec, &ubuf->st_atime); + err |= __put_user(stat->atime.tv_nsec, &ubuf->st_atime_nsec); + err |= __put_user(stat->mtime.tv_sec, &ubuf->st_mtime); + err |= __put_user(stat->mtime.tv_nsec, &ubuf->st_mtime_nsec); + err |= __put_user(stat->ctime.tv_sec, &ubuf->st_ctime); + err |= __put_user(stat->ctime.tv_nsec, &ubuf->st_ctime_nsec); + err |= __put_user(stat->blksize, &ubuf->st_blksize); + err |= __put_user(stat->blocks, &ubuf->st_blocks); + return err; +} + asmlinkage long compat_sys_newstat(char __user * filename, struct compat_stat __user *statbuf) { @@ -1239,7 +1278,7 @@ static int compat_count(compat_uptr_t __user *argv, int max) if (!p) break; argv++; - if(++i > max) + if (i++ >= max) return -E2BIG; } } |