From: Chen Zhou <chenzhou10@huawei.com>
To: <p.zabel@pengutronix.de>, <mchehab@kernel.org>
Cc: <linux-media@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<chenzhou10@huawei.com>
Subject: [PATCH -next] media: coda: jpeg: add NULL check after kmalloc
Date: Sat, 9 May 2020 10:07:11 +0800 [thread overview]
Message-ID: <20200509020711.120975-1-chenzhou10@huawei.com> (raw)
Fixes coccicheck warning:
./drivers/media/platform/coda/coda-jpeg.c:331:3-31:
alloc with no test, possible model on line 354
Add NULL check after kmalloc.
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
---
drivers/media/platform/coda/coda-jpeg.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/media/platform/coda/coda-jpeg.c b/drivers/media/platform/coda/coda-jpeg.c
index 00d19859db50..b11cfbe166dd 100644
--- a/drivers/media/platform/coda/coda-jpeg.c
+++ b/drivers/media/platform/coda/coda-jpeg.c
@@ -327,8 +327,11 @@ int coda_jpeg_decode_header(struct coda_ctx *ctx, struct vb2_buffer *vb)
"only 8-bit quantization tables supported\n");
continue;
}
- if (!ctx->params.jpeg_qmat_tab[i])
+ if (!ctx->params.jpeg_qmat_tab[i]) {
ctx->params.jpeg_qmat_tab[i] = kmalloc(64, GFP_KERNEL);
+ if (!ctx->params.jpeg_qmat_tab[i])
+ return -ENOMEM;
+ }
memcpy(ctx->params.jpeg_qmat_tab[i],
quantization_tables[i].start, 64);
}
--
2.20.1
reply other threads:[~2020-05-09 2:03 UTC|newest]
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