[src/trunk]: src/sys/dev/mii urlphy(4): Fix missing mii locking in urlphy_att...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/74fedb4380b8
branches:  trunk
changeset: 359525:74fedb4380b8
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sat Jan 08 17:35:05 2022 +0000

description:
urlphy(4): Fix missing mii locking in urlphy_attach.

diffstat:

 sys/dev/mii/urlphy.c |  9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diffs (35 lines):

diff -r c4c63218c3a5 -r 74fedb4380b8 sys/dev/mii/urlphy.c
--- a/sys/dev/mii/urlphy.c      Sat Jan 08 17:34:14 2022 +0000
+++ b/sys/dev/mii/urlphy.c      Sat Jan 08 17:35:05 2022 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: urlphy.c,v 1.38 2020/08/24 04:49:05 msaitoh Exp $      */
+/*     $NetBSD: urlphy.c,v 1.39 2022/01/08 17:35:05 riastradh Exp $    */
 /*
  * Copyright (c) 2001, 2002
  *     Shingo WATANABE <nabe%nabechan.org@localhost>.  All rights reserved.
@@ -34,7 +34,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: urlphy.c,v 1.38 2020/08/24 04:49:05 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: urlphy.c,v 1.39 2022/01/08 17:35:05 riastradh Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -118,11 +118,16 @@
                    "ignoring this PHY, non-zero instance\n");
                return;
        }
+
+       mii_lock(mii);
+
        PHY_RESET(sc);
 
        PHY_READ(sc, MII_BMSR, &sc->mii_capabilities);
        sc->mii_capabilities &= ma->mii_capmask;
 
+       mii_unlock(mii);
+
        mii_phy_add_media(sc);
 }