[PATCH v2] LSM: add NULL check for kcalloc()

From: Austin Kim
Date: Wed Jul 14 2021 - 17:51:34 EST


From: Austin Kim <austin.kim@xxxxxxx>

kcalloc() may return NULL when memory allocation fails.
So it is necessary to add NULL check after the call to kcalloc() is made.

Signed-off-by: Austin Kim <austin.kim@xxxxxxx>
---
security/security.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/security/security.c b/security/security.c
index 09533cbb7221..f885c9e9bc35 100644
--- a/security/security.c
+++ b/security/security.c
@@ -321,6 +321,8 @@ static void __init ordered_lsm_init(void)

ordered_lsms = kcalloc(LSM_COUNT + 1, sizeof(*ordered_lsms),
GFP_KERNEL);
+ if (!ordered_lsms)
+ return;

if (chosen_lsm_order) {
if (chosen_major_lsm) {
--
2.20.1