[PATCH] correct sys_shmget allocation check

As written, sys_shmget will return ENOSPC when one page is still available for allocation. This patch corrects the test. Signed-off-by: Guy Streeter <[email protected]> Signed-off-by: Linus Torvalds <[email protected]> --
liveeasily · Jan 23, 2007 · f66d45e · f66d45e
1 parent 821836e
commit f66d45e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ipc/shm.c b/ipc/shm.c
@@ -279,7 +279,7 @@ static int newseg (struct ipc_namespace *ns, key_t key, int shmflg, size_t size)
 	if (size < SHMMIN || size > ns->shm_ctlmax)
 		return -EINVAL;
 
-	if (ns->shm_tot + numpages >= ns->shm_ctlall)
+	if (ns->shm_tot + numpages > ns->shm_ctlall)
 		return -ENOSPC;
 
 	shp = ipc_rcu_alloc(sizeof(*shp));