From: Andrzej Hajda Date: Thu, 24 Sep 2015 14:00:18 +0000 (-0300) Subject: [media] cx231xx: fix handling cx231xx_read_i2c_data result X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e54560d963866a45e5905a16821e3904ed0c9561;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git [media] cx231xx: fix handling cx231xx_read_i2c_data result The function can return negative value. The problem has been detected using proposed semantic patch scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2046107 Signed-off-by: Andrzej Hajda Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c index 9798160698a3..d0d8f08e37c8 100644 --- a/drivers/media/usb/cx231xx/cx231xx-video.c +++ b/drivers/media/usb/cx231xx/cx231xx-video.c @@ -1114,7 +1114,8 @@ int cx231xx_enum_input(struct file *file, void *priv, struct cx231xx_fh *fh = priv; struct cx231xx *dev = fh->dev; u32 gen_stat; - unsigned int ret, n; + unsigned int n; + int ret; n = i->index; if (n >= MAX_CX231XX_INPUT)