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| author | Alexander Graf <agraf@suse.de> | 2007-07-06 02:39:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-06 10:23:43 -0700 |
| commit | d57d973101e87b2e30ccfa899fe36c4b2e32d217 (patch) | |
| tree | c08ddbb512ae9da4c26866515de8f335d7505e35 /ipc/compat.c | |
| parent | 0db19c412ce260a293b06b4bab66550b84411bfc (diff) | |
| download | lwn-d57d973101e87b2e30ccfa899fe36c4b2e32d217.tar.gz lwn-d57d973101e87b2e30ccfa899fe36c4b2e32d217.zip | |
fix logic error in ipc compat semctl()
When calling a semctl(IPC_STAT) without IPC_64 the check if the memory is
unevaluated. This patch fixes this.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'ipc/compat.c')
| -rw-r--r-- | ipc/compat.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ipc/compat.c b/ipc/compat.c index 8b44aa9a7c95..ab76fb0ef844 100644 --- a/ipc/compat.c +++ b/ipc/compat.c @@ -225,7 +225,7 @@ static inline int put_compat_semid_ds(struct semid64_ds *s, int err; if (!access_ok (VERIFY_WRITE, up, sizeof(*up))) - err = -EFAULT; + return -EFAULT; err = __put_compat_ipc_perm(&s->sem_perm, &up->sem_perm); err |= __put_user(s->sem_otime, &up->sem_otime); err |= __put_user(s->sem_ctime, &up->sem_ctime); |