[PATCH AUTOSEL 6.4 15/17] broadcom: b44: Use b44_writephy() return value
From: Sasha Levin <sashal@kernel.org>
Date: 2023-08-29 13:34:47
Also in:
lkml, stable
Subsystem:
broadcom b44 10/100 ethernet driver, networking drivers, the rest · Maintainers:
Michael Chan, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Artem Chernyshev <redacted> [ Upstream commit 9944d203fa63721b87eee84a89f7275dc3d25c05 ] 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 <redacted> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/net/ethernet/broadcom/b44.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c
index 392ec09a1d8a6..3e4fb3c3e8342 100644
--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c@@ -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, - bmcr | BMCR_ANRESTART); - r = 0; - } + if (bmcr & BMCR_ANENABLE) + r = b44_writephy(bp, MII_BMCR, + bmcr | BMCR_ANRESTART); spin_unlock_irq(&bp->lock); return r;
--
2.40.1