From: Roel Kluin <roel.kluin@gmail.com>
To: Jean-Francois Moine <moinejf@free.fr>,
linux-media@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCH] GSPCA: kmalloc failure ignored in sd_start()
Date: Sat, 19 Sep 2009 01:17:54 +0200 [thread overview]
Message-ID: <4AB41522.5080204@gmail.com> (raw)
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);
reply other threads:[~2009-09-18 23:10 UTC|newest]
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