From: Li zeming <zeming@nfschina.com>
To: mchehab@kernel.org, hverkuil-cisco@xs4all.nl,
nicolas.dufresne@collabora.com
Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
Li zeming <zeming@nfschina.com>
Subject: [PATCH] v4l2-core: v4l2-h264: check after increasing memory allocation
Date: Mon, 19 Dec 2022 11:37:12 +0800 [thread overview]
Message-ID: <20221219033712.3270-1-zeming@nfschina.com> (raw)
The pointer *out_str adds judgment and should help with program robustness.
Signed-off-by: Li zeming <zeming@nfschina.com>
---
drivers/media/v4l2-core/v4l2-h264.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/media/v4l2-core/v4l2-h264.c b/drivers/media/v4l2-core/v4l2-h264.c
index 72bd64f65198..934aba539332 100644
--- a/drivers/media/v4l2-core/v4l2-h264.c
+++ b/drivers/media/v4l2-core/v4l2-h264.c
@@ -305,6 +305,8 @@ static const char *format_ref_list_p(const struct v4l2_h264_reflist_builder *bui
int n = 0, i;
*out_str = kmalloc(tmp_str_size, GFP_KERNEL);
+ if (!*out_str)
+ return NULL;
n += snprintf(*out_str + n, tmp_str_size - n, "|");
--
2.18.2
next reply other threads:[~2022-12-19 3:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-19 3:37 Li zeming [this message]
2022-12-19 7:41 ` Bagas Sanjaya
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