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authorJohn Stultz <john.stultz@linaro.org>2013-05-15 12:42:15 -0700
committerJohn Stultz <john.stultz@linaro.org>2013-05-15 12:42:15 -0700
commit15a6affec4449b54afba15ab7edbad0cac2736d3 (patch)
treef2fa815f74be0b56acd05e62113600a7113d48a9 /ipc/shm.c
parentcd432fc233f4e7aba43b4fe499a4445f0f6ee1c6 (diff)
parentf722406faae2d073cc1d01063d1123c35425939e (diff)
Merge tag 'v3.10-rc1' into linaro-android-3.10-experimental-mergetracking-linaro-android-3.10-llct-20130518.0
Linux 3.10-rc1
Diffstat (limited to 'ipc/shm.c')
-rw-r--r--ipc/shm.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/ipc/shm.c b/ipc/shm.c
index 34af1fe34701..7e199fa1960f 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -493,7 +493,13 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params)
if (shmflg & SHM_HUGETLB) {
struct hstate *hs = hstate_sizelog((shmflg >> SHM_HUGE_SHIFT)
& SHM_HUGE_MASK);
- size_t hugesize = ALIGN(size, huge_page_size(hs));
+ size_t hugesize;
+
+ if (!hs) {
+ error = -EINVAL;
+ goto no_file;
+ }
+ hugesize = ALIGN(size, huge_page_size(hs));
/* hugetlb_file_setup applies strict accounting */
if (shmflg & SHM_NORESERVE)