V4L/DVB (13017): gspca: kmalloc failure ignored in sd_start()

Prevent NULL dereference if kmalloc() fails.

Cc: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/media/video/gspca/jeilinj.c b/drivers/media/video/gspca/jeilinj.c
index dbfa3ed6e8ef..a11c97ebeb0f 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);