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media: imx-jpeg: Fix possible null pointer dereference

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[ Upstream commit 83f5f0633b ]

Found by Coverity scan.

Signed-off-by: Mirela Rabulea <mirela.rabulea@nxp.com>
Reviewed-by: Laurentiu Palcu <laurentiu.palcu@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Mirela Rabulea
2021-09-27 20:56:32 +02:00
committed by Greg Kroah-Hartman
parent a56e9d7609
commit 4c2a4bad39
1 changed files with 4 additions and 0 deletions
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4
drivers/media/platform/imx-jpeg/mxc-jpeg.c
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@@ -575,6 +575,10 @@ static irqreturn_t mxc_jpeg_dec_irq(int irq, void *priv)
dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
if (!dst_buf || !src_buf) {
dev_err(dev, "No source or destination buffer.\n");
goto job_unlock;
}
jpeg_src_buf = vb2_to_mxc_buf(&src_buf->vb2_buf);
if (dec_ret & SLOT_STATUS_ENC_CONFIG_ERR) {