r820t: fix size and init values

Message ID 1395006073-4361-1-git-send-email-benjamin@southpole.se (mailing list archive)
State Accepted, archived
Delegated to: Michael Krufky
Headers

Commit Message

Benjamin Larsson March 16, 2014, 9:41 p.m. UTC
  Correct the initialization values at the start of the function
and use proper variable sizes to prevent overflow.

Signed-off-by: Benjamin Larsson <benjamin@southpole.se>
---
 drivers/media/tuners/r820t.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
  

Patch

diff --git a/drivers/media/tuners/r820t.c b/drivers/media/tuners/r820t.c
index d9ee43f..ce10c18 100644
--- a/drivers/media/tuners/r820t.c
+++ b/drivers/media/tuners/r820t.c
@@ -1468,7 +1468,8 @@  static int r820t_imr_prepare(struct r820t_priv *priv)
 static int r820t_multi_read(struct r820t_priv *priv)
 {
 	int rc, i;
-	u8 data[2], min = 0, max = 255, sum = 0;
+	u16 sum = 0;
+	u8 data[2], min = 255, max = 0;
 
 	usleep_range(5000, 6000);