git: fee767cd85bb - stable/15 - mv88e151x: fix potential attach and autonegotiation issues

The branch stable/15 has been updated by kbowling:

URL: https://cgit.FreeBSD.org/src/commit/?id=fee767cd85bba58a2fa389670e5afbe0e022c26a

commit fee767cd85bba58a2fa389670e5afbe0e022c26a
Author:     Ryan Libby <rlibby@FreeBSD.org>
AuthorDate: 2025-10-15 04:01:48 +0000
Commit:     Kevin Bowling <kbowling@FreeBSD.org>
CommitDate: 2026-10-30 17:35:03 +0000

    mv88e151x: fix potential attach and autonegotiation issues
    
    Reported by:    GCC -Wmaybe-uninitialized, -Wtautological-compare
    Reviewed by:    kp
    Differential Revision:  https://reviews.freebsd.org/D45919
    
    (cherry picked from commit 68501a93076ac095be7a96ecd55d15287c497c9d)
---
 sys/dev/mii/mv88e151x.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/sys/dev/mii/mv88e151x.c b/sys/dev/mii/mv88e151x.c
index 618ad81471c9..fb03b2a7a917 100644
--- a/sys/dev/mii/mv88e151x.c
+++ b/sys/dev/mii/mv88e151x.c
@@ -97,7 +97,7 @@ mv88e151x_attach(device_t dev)
 {
 	const struct mii_attach_args *ma;
 	struct mii_softc *sc;
-	uint32_t cop_cap, cop_extcap;
+	uint32_t cop_cap = 0, cop_extcap = 0;
 
 	sc = device_get_softc(dev);
 	ma = device_get_ivars(dev);
@@ -224,10 +224,12 @@ mv88e151x_fiber_status(struct mii_softc *phy)
 		else if (reg & MV88E151X_STATUS_LINK &&
 		    reg & MV88E151X_STATUS_SYNC &&
 		    (reg & MV88E151X_STATUS_ENERGY) == 0) {
-			if ((reg & MV88E151X_STATUS_SPEED_MASK) ==
+			if (((reg & MV88E151X_STATUS_SPEED_MASK) >>
+			    MV88E151X_STATUS_SPEED_SHIFT) ==
 			    MV88E151X_STATUS_SPEED_1000)
 				mii->mii_media_active |= IFM_1000_SX;
-			else if ((reg & MV88E151X_STATUS_SPEED_MASK) ==
+			else if (((reg & MV88E151X_STATUS_SPEED_MASK) >>
+			    MV88E151X_STATUS_SPEED_SHIFT) ==
 			    MV88E151X_STATUS_SPEED_100)
 				mii->mii_media_active |= IFM_100_FX;
 			else