niu: Fix unused variable warning.

Don't strain gcc's tiny mind.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index 2cd6109b8586f3b86e42bda00a7a46ffb1569904..2b1745328cf78a90aa20cd05d1fb1a74598544ff 100644 (file)
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -4834,6 +4834,7 @@ static int niu_compute_rbr_cfig_b(struct rx_ring_info *rp, u64 *ret)
 {
        u64 val = 0;
 
+       *ret = 0;
        switch (rp->rbr_block_size) {
        case 4 * 1024:
                val |= (RBR_BLKSIZE_4K << RBR_CFIG_B_BLKSIZE_SHIFT);