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[PATCH] correct sys_shmget allocation check

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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>
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This commit is contained in:
Guy Streeter
2007-01-23 12:20:04 -06:00
committed by Linus Torvalds
parent 821836e5ba
commit f66d45e99e
1 changed files with 1 additions and 1 deletions
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ipc/shm.c
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@@ -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) if (size < SHMMIN || size > ns->shm_ctlmax)
return -EINVAL; return -EINVAL;
if (ns->shm_tot + numpages >= ns->shm_ctlall) if (ns->shm_tot + numpages > ns->shm_ctlall)
return -ENOSPC; return -ENOSPC;
shp = ipc_rcu_alloc(sizeof(*shp)); shp = ipc_rcu_alloc(sizeof(*shp));