drivers/net/wan/pc300_drv: fix bug caught by gcc warning

The warning

drivers/net/wan/pc300_drv.c: In function ‘cpc_open’:
drivers/net/wan/pc300_drv.c:2942: warning: ‘br’ may be used
uninitialized in this function

was valid.  Ensure 'br' is initialized in all cases.

Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/wan/pc300_drv.c b/drivers/net/wan/pc300_drv.c
index ec1c556a47ca..5d8c78ee2cd9 100644
--- a/drivers/net/wan/pc300_drv.c
+++ b/drivers/net/wan/pc300_drv.c
@@ -2833,6 +2833,8 @@ static int clock_rate_calc(uclong rate, uclong clock, int *br_io)
         int br, tc;
         int br_pwr, error;
 
+        *br_io = 0;
+
         if (rate == 0)
                 return (0);