Commit f66d45e9 authored Jan 23, 2007 by Guy Streeter Committed by Linus Torvalds Jan 23, 2007

[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 <guy.streeter+lkml@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
--

parent 821836e5

ipc/shm.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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));