[PATCH v3] [media] radio-bcm2048: fix wrong overflow check

Dan Carpenter
2014-04-22T15:03:42Z

From: Pali Rohár <pali.rohar@gmail.com>

This patch fixes an off by one check in bcm2048_set_region().

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
v2: Send it to the correct list. Re-work the changelog.
v3: Correct subsystem prefix.

diff --git a/drivers/staging/media/bcm2048/radio-bcm2048.c b/drivers/staging/media/bcm2048/radio-bcm2048.c
index b2cd3a8..bbf236e 100644
--- a/drivers/staging/media/bcm2048/radio-bcm2048.c
+++ b/drivers/staging/media/bcm2048/radio-bcm2048.c
@@ -737,7 +737,7 @@ static int bcm2048_set_region(struct bcm2048_device *bdev, u8 region)
int err;
u32 new_frequency = 0;

- if (region > ARRAY_SIZE(region_configs))
+ if (region >= ARRAY_SIZE(region_configs))
return -EINVAL;

mutex_lock(&bdev->mutex);

--