[PATCH] media: imx-jpeg: Fix possible null pointer dereference
From: Mirela Rabulea <mirela.rabulea@nxp.com>
Date: 2021-09-27 18:56:50
Also in:
linux-media, lkml
Subsystem:
media input infrastructure (v4l/dvb), the rest · Maintainers:
Mauro Carvalho Chehab, Linus Torvalds
Found by Coverity scan. Signed-off-by: Mirela Rabulea <mirela.rabulea@nxp.com> Reviewed-by: Laurentiu Palcu <redacted> --- drivers/media/platform/imx-jpeg/mxc-jpeg.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/media/platform/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/imx-jpeg/mxc-jpeg.c
index 2e1fef88cdf0..b1678f94dccd 100644
--- a/drivers/media/platform/imx-jpeg/mxc-jpeg.c
+++ b/drivers/media/platform/imx-jpeg/mxc-jpeg.c@@ -576,6 +576,10 @@ 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) {
--
2.25.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel