Module Name:    src
Committed By:   riastradh
Date:           Fri Dec 31 14:25:47 UTC 2021

Modified Files:
        src/sys/altq: altq_afmap.c

Log Message:
altq(9): Fix missing IFNET_LOCK around if_ioctl.


To generate a diff of this commit:
cvs rdiff -u -r1.22 -r1.23 src/sys/altq/altq_afmap.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/altq/altq_afmap.c
diff -u src/sys/altq/altq_afmap.c:1.22 src/sys/altq/altq_afmap.c:1.23
--- src/sys/altq/altq_afmap.c:1.22	Fri Dec 31 14:24:50 2021
+++ src/sys/altq/altq_afmap.c	Fri Dec 31 14:25:47 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: altq_afmap.c,v 1.22 2021/12/31 14:24:50 riastradh Exp $	*/
+/*	$NetBSD: altq_afmap.c,v 1.23 2021/12/31 14:25:47 riastradh Exp $	*/
 /*	$KAME: altq_afmap.c,v 1.12 2005/04/13 03:44:24 suz Exp $	*/
 
 /*
@@ -36,7 +36,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: altq_afmap.c,v 1.22 2021/12/31 14:24:50 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: altq_afmap.c,v 1.23 2021/12/31 14:25:47 riastradh Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_altq.h"
@@ -369,10 +369,15 @@ afmioctl(dev_t dev, ioctlcmd_t cmd, void
 	flowmap = (struct atm_flowmap *)addr;
 	flowmap->af_ifname[IFNAMSIZ-1] = '\0';
 	ifp = ifunit(flowmap->af_ifname);
-	if (ifp == NULL || (ifp->if_flags & IFF_RUNNING) == 0)
+	if (ifp == NULL)
+		return ENXIO;
+
+	IFNET_LOCK(ifp);
+	if ((ifp->if_flags & IFF_RUNNING) == 0)
 		error = ENXIO;
 	else
 		error = if_ioctl(ifp, cmd, addr);
+	IFNET_UNLOCK(ifp);
 
 	return error;
 }

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