diff mbox series

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

Message ID 20210714215126.GA818@raspberrypi (mailing list archive)
State New, archived
Headers show
Series [v2] LSM: add NULL check for kcalloc() | expand

Commit Message

Austin Kim July 14, 2021, 9:51 p.m. UTC 
From: Austin Kim <austin.kim@lge.com>

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@lge.com>
---
 security/security.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

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) {