tree fc7e5b6114f4684d2ce8bc5410a1b849ce37255b
parent 426849e6611f2092553f8d53372ae310818a6292
author Colin Ian King <colin.king@canonical.com> 1496754649 +0100
committer David S. Miller <davem@davemloft.net> 1496780788 -0400

net: stmmac: fix a broken u32 less than zero check

The check that queue is less or equal to zero is always true
because queue is a u32; queue is decremented and will wrap around
and never go -ve. Fix this by making queue an int.

Detected by CoverityScan, CID#1428988 ("Unsigned compared against 0")

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>