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broadcom: b44: Use b44_writephy() return value

Browse source 
Return result of b44_writephy() instead of zero to
deal with possible error.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Artem Chernyshev <artem.chernyshev@red-soft.ru>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Artem Chernyshev 2023-08-15 00:00:30 +03:00 • committed by David S. Miller
parent a552bfa16b
commit 9944d203fa
1 changed files with 3 additions and 5 deletions
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6
drivers/net/ethernet/broadcom/b44.c
View file

@ -1793,11 +1793,9 @@ static int b44_nway_reset(struct net_device *dev)
b44_readphy(bp, MII_BMCR, &bmcr);
b44_readphy(bp, MII_BMCR, &bmcr);
r = -EINVAL;
if (bmcr & BMCR_ANENABLE) {
b44_writephy(bp, MII_BMCR,
if (bmcr & BMCR_ANENABLE)
r = b44_writephy(bp, MII_BMCR,
bmcr | BMCR_ANRESTART);
r = 0;
}
spin_unlock_irq(&bp->lock);
return r;