diff options
| author |   Rafael Aquini <aquini@redhat.com> | 2014-01-27 17:07:02 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-27 21:02:39 -0800 |
| commit | 72a8ff2f9245128c254387c58f948f1f0152ea46 (patch) | |
| tree | 176eec6a1d264e9e679d7bd73eb3f5b77975e4a3 /ipc/sem.c | |
| parent | ipc: introduce ipc_valid_object() helper to sort out IPC_RMID races (diff) | |
| download | wireguard-linux-72a8ff2f9245128c254387c58f948f1f0152ea46.tar.xz wireguard-linux-72a8ff2f9245128c254387c58f948f1f0152ea46.zip | |
ipc: change kern_ipc_perm.deleted type to bool
struct kern_ipc_perm.deleted is meant to be used as a boolean toggle, and
the changes introduced by this patch are just to make the case explicit.
Signed-off-by: Rafael Aquini <aquini@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Cc: Greg Thelen <gthelen@google.com>
Acked-by: Davidlohr Bueso <davidlohr@hp.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'ipc/sem.c')
| -rw-r--r-- | ipc/sem.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ipc/sem.c b/ipc/sem.c index 4d88194a5ffe..160fbb3390bb 100644 --- a/ipc/sem.c +++ b/ipc/sem.c @@ -394,7 +394,7 @@ static inline struct sem_array *sem_obtain_lock(struct ipc_namespace *ns, /* ipc_rmid() may have already freed the ID while sem_lock * was spinning: verify that the structure is still valid */ - if (!ipcp->deleted) + if (ipc_valid_object(ipcp)) return container_of(ipcp, struct sem_array, sem_perm); sem_unlock(sma, *locknum); |