All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH] media: imx-jpeg: Fix possible null pointer dereference
@ 2021-09-27 18:56 ` Mirela Rabulea
  0 siblings, 0 replies; 2+ messages in thread
From: Mirela Rabulea @ 2021-09-27 18:56 UTC (permalink / raw)
  To: mchehab, hverkuil-cisco, robert.chiras, laurentiu.palcu
  Cc: linux-imx, shawnguo, s.hauer, kernel, festevam, linux-media,
	linux-arm-kernel, linux-kernel

Found by Coverity scan.

Signed-off-by: Mirela Rabulea <mirela.rabulea@nxp.com>
Reviewed-by: Laurentiu Palcu <laurentiu.palcu@nxp.com>
---
 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


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* [PATCH] media: imx-jpeg: Fix possible null pointer dereference
@ 2021-09-27 18:56 ` Mirela Rabulea
  0 siblings, 0 replies; 2+ messages in thread
From: Mirela Rabulea @ 2021-09-27 18:56 UTC (permalink / raw)
  To: mchehab, hverkuil-cisco, robert.chiras, laurentiu.palcu
  Cc: linux-imx, shawnguo, s.hauer, kernel, festevam, linux-media,
	linux-arm-kernel, linux-kernel

Found by Coverity scan.

Signed-off-by: Mirela Rabulea <mirela.rabulea@nxp.com>
Reviewed-by: Laurentiu Palcu <laurentiu.palcu@nxp.com>
---
 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

^ permalink raw reply related	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2021-09-27 19:00 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-09-27 18:56 [PATCH] media: imx-jpeg: Fix possible null pointer dereference Mirela Rabulea
2021-09-27 18:56 ` Mirela Rabulea

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.