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* [PATCH] GSPCA: kmalloc failure ignored in sd_start()
@ 2009-09-18 23:17 Roel Kluin
  0 siblings, 0 replies; only message in thread
From: Roel Kluin @ 2009-09-18 23:17 UTC (permalink / raw)
  To: Jean-Francois Moine, linux-media, Andrew Morton

Prevent NULL dereference if kmalloc() fails.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
Found with sed: http://kernelnewbies.org/roelkluin

diff --git a/drivers/media/video/gspca/jeilinj.c b/drivers/media/video/gspca/jeilinj.c
index dbfa3ed..a11c97e 100644
--- a/drivers/media/video/gspca/jeilinj.c
+++ b/drivers/media/video/gspca/jeilinj.c
@@ -312,6 +312,8 @@ static int sd_start(struct gspca_dev *gspca_dev)
 
 	/* create the JPEG header */
 	dev->jpeg_hdr = kmalloc(JPEG_HDR_SZ, GFP_KERNEL);
+	if (dev->jpeg_hdr == NULL)
+		return -ENOMEM;
 	jpeg_define(dev->jpeg_hdr, gspca_dev->height, gspca_dev->width,
 			0x21);          /* JPEG 422 */
 	jpeg_set_qual(dev->jpeg_hdr, dev->quality);

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