[PATCH] media: meson: vdec: potential dereference of null pointer
Jiasheng Jiang
jiasheng at iscas.ac.cn
Thu Dec 9 00:58:40 PST 2021
he return value of kzalloc() needs to be checked.
To avoid use of null pointer in case of the failure of alloc.
Fixes: 876f123b8956 ("media: meson: vdec: bring up to compliance")
Signed-off-by: Jiasheng Jiang <jiasheng at iscas.ac.cn>
---
drivers/staging/media/meson/vdec/vdec_helpers.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/staging/media/meson/vdec/vdec_helpers.c b/drivers/staging/media/meson/vdec/vdec_helpers.c
index 7f07a9175815..025885fcfec6 100644
--- a/drivers/staging/media/meson/vdec/vdec_helpers.c
+++ b/drivers/staging/media/meson/vdec/vdec_helpers.c
@@ -234,6 +234,8 @@ void amvdec_add_ts(struct amvdec_session *sess, u64 ts,
unsigned long flags;
new_ts = kzalloc(sizeof(*new_ts), GFP_KERNEL);
+ if (!new_ts)
+ return;
new_ts->ts = ts;
new_ts->tc = tc;
new_ts->offset = offset;
--
2.25.1
More information about the linux-amlogic
mailing list