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authormsaitoh <msaitoh@NetBSD.org>2022-05-17 00:02:57 +0000
committermsaitoh <msaitoh@NetBSD.org>2022-05-17 00:02:57 +0000
commita0199cc7bcb1161dc43f9833b1aa9f32882fed23 (patch)
tree070b40d664c541bfde4723d6c15e9d9c1472a857 /sys/dev
parent9956fabd1eaefe89dbae117a22f0631f3183649e (diff)
Call m_freem(m) only if m0 == NULL.
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/pci/if_wm.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/sys/dev/pci/if_wm.c b/sys/dev/pci/if_wm.c
index f531e379003..c808b63de21 100644
--- a/sys/dev/pci/if_wm.c
+++ b/sys/dev/pci/if_wm.c
@@ -1,4 +1,4 @@
-/* $NetBSD: if_wm.c,v 1.730 2022/05/03 00:23:33 gutteridge Exp $ */
+/* $NetBSD: if_wm.c,v 1.731 2022/05/17 00:02:57 msaitoh Exp $ */
/*
* Copyright (c) 2001, 2002, 2003, 2004 Wasabi Systems, Inc.
@@ -82,7 +82,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.730 2022/05/03 00:23:33 gutteridge Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.731 2022/05/17 00:02:57 msaitoh Exp $");
#ifdef _KERNEL_OPT
#include "opt_net_mpsafe.h"
@@ -8016,9 +8016,10 @@ wm_send_common_locked(struct ifnet *ifp, struct wm_txqueue *txq,
* increment successed packet counter as in the case
* which the packet is discarded by link down PHY.
*/
- if (m0 != NULL)
+ if (m0 != NULL) {
if_statinc(ifp, if_opackets);
- m_freem(m0);
+ m_freem(m0);
+ }
} while (m0 != NULL);
return;
}
@@ -8633,9 +8634,10 @@ wm_nq_send_common_locked(struct ifnet *ifp, struct wm_txqueue *txq,
* increment successed packet counter as in the case
* which the packet is discarded by link down PHY.
*/
- if (m0 != NULL)
+ if (m0 != NULL) {
if_statinc(ifp, if_opackets);
- m_freem(m0);
+ m_freem(m0);
+ }
} while (m0 != NULL);
return;
}