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[PATCH] [media] soc_camera: soc_camera_pdrv_probe: fix potential NULL pointer dereference

Started byWang YanQing <udknight@gmail.com>
First post2015-09-16 17:10 +0200
Last post2015-09-16 17:10 +0200
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  [PATCH] [media] soc_camera: soc_camera_pdrv_probe: fix potential  NULL pointer dereference Wang YanQing <udknight@gmail.com> - 2015-09-16 17:10 +0200

#1226186 — [PATCH] [media] soc_camera: soc_camera_pdrv_probe: fix potential NULL pointer dereference

FromWang YanQing <udknight@gmail.com>
Date2015-09-16 17:10 +0200
Subject[PATCH] [media] soc_camera: soc_camera_pdrv_probe: fix potential NULL pointer dereference
Message-ID<q9mvn-821-5@gated-at.bofh.it>
Move dereference of sdesc after NULL pointer checker.

Signed-off-by: Wang YanQing <udknight@gmail.com>
---
 drivers/media/platform/soc_camera/soc_camera.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c
index 9087fed..53b153d 100644
--- a/drivers/media/platform/soc_camera/soc_camera.c
+++ b/drivers/media/platform/soc_camera/soc_camera.c
@@ -2187,13 +2187,14 @@ static int soc_camera_video_start(struct soc_camera_device *icd)
 static int soc_camera_pdrv_probe(struct platform_device *pdev)
 {
 	struct soc_camera_desc *sdesc = pdev->dev.platform_data;
-	struct soc_camera_subdev_desc *ssdd = &sdesc->subdev_desc;
+	struct soc_camera_subdev_desc *ssdd;
 	struct soc_camera_device *icd;
 	int ret;
 
 	if (!sdesc)
 		return -EINVAL;
 
+	ssdd = &sdesc->subdev_desc;
 	icd = devm_kzalloc(&pdev->dev, sizeof(*icd), GFP_KERNEL);
 	if (!icd)
 		return -ENOMEM;
-- 
1.8.5.6.2.g3d8a54e.dirty
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