From f66d45e99eb7ca91822c3e3f6d7a98843c9626cb Mon Sep 17 00:00:00 2001 From: Guy Streeter Date: Tue, 23 Jan 2007 12:20:04 -0600 Subject: [PATCH] [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 Signed-off-by: Linus Torvalds -- --- ipc/shm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ipc/shm.c b/ipc/shm.c index 6d16bb6de7d..f8e10a25ad7 100644 --- 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)); -- 2.41.1