Some execution paths that jump to the fiber_setup_done label could leave the remote_adv and local_adv variables uninitialized and then use it. Initialize this variables at the point of definition to avoid this. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 85730a631f0c ("tg3: Add SGMII phy support for 5719/5718 serdes") Co-developed-by: Alexandr Sapozhnikov Signed-off-by: Alexandr Sapozhnikov Signed-off-by: Alexey Simakov --- v2 - remove bogus lines with initialization of variables in function, since its initialized at definition point now. link to v1: https://lore.kernel.org/netdev/20251002091224.11-1-alsp705@gmail.com/ drivers/net/ethernet/broadcom/tg3.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 7f00ec7fd7b9..d78cafdb2094 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -5803,7 +5803,7 @@ static int tg3_setup_fiber_mii_phy(struct tg3 *tp, bool force_reset) u32 current_speed = SPEED_UNKNOWN; u8 current_duplex = DUPLEX_UNKNOWN; bool current_link_up = false; - u32 local_adv, remote_adv, sgsr; + u32 local_adv = 0, remote_adv = 0, sgsr; if ((tg3_asic_rev(tp) == ASIC_REV_5719 || tg3_asic_rev(tp) == ASIC_REV_5720) && @@ -5944,9 +5944,6 @@ static int tg3_setup_fiber_mii_phy(struct tg3 *tp, bool force_reset) else current_duplex = DUPLEX_HALF; - local_adv = 0; - remote_adv = 0; - if (bmcr & BMCR_ANENABLE) { u32 common; -- 2.34.1