[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> --
This commit is contained in:
parent
821836e5ba
commit
f66d45e99e
@ -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));
|
||||
|
Loading…
Reference in New Issue
Block a user