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Date: Mon, 24 Aug 2020 10:29:06 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Chen Zhou <chenzhou10@...wei.com>, Hans Verkuil <hverkuil-cisco@...all.nl>, Mauro Carvalho Chehab <mchehab+huawei@...nel.org>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 5.8 048/148] media: coda: jpeg: add NULL check after kmalloc From: Chen Zhou <chenzhou10@...wei.com> [ Upstream commit 20171723144ca0d057b72e852536992fd371369a ] 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@...wei.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@...all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org> Signed-off-by: Sasha Levin <sashal@...nel.org> --- 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 00d19859db500..b11cfbe166dd3 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); } -- 2.25.1
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