V4L/DVB (8361): gspca: Bad check of i2c write to sn9c10x.

Signed-off-by: Andoni Zubimendi <andoni.zubimendi@gmail.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/media/video/gspca/sonixb.c b/drivers/media/video/gspca/sonixb.c
index 054ce4e3ece..80879bf3188 100644
--- a/drivers/media/video/gspca/sonixb.c
+++ b/drivers/media/video/gspca/sonixb.c
@@ -456,8 +456,11 @@ static int i2c_w(struct gspca_dev *gspca_dev, const __u8 *buffer)
         while (retry--) {
                 msleep(10);
                 reg_r(gspca_dev, 0x08);
-                if (gspca_dev->usb_buf[0] == 4)
+                if (gspca_dev->usb_buf[0] & 0x04) {
+                        if (gspca_dev->usb_buf[0] & 0x08)
+                                return -1;
                         return 0;
+                }
         }
         return -1;
 }