RX packets are handled in different paths. Not all paths have
decrement of rx_pending counter. This patch fixes the counter
imbalance.
Signed-off-by: NUjjal Roy <royujjal@gmail.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>