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authorkmacy <kmacy@FreeBSD.org>2009-02-02 23:04:20 +0000
committerkmacy <kmacy@FreeBSD.org>2009-02-02 23:04:20 +0000
commit797fe35608baedbdc381ddac570af58bd55dd507 (patch)
treecc8d19ecc9a4bc30e86f5337f1d6007ac87d267c /sys/dev/xen
parente2a8bf2aec98261300a18a0e7489fb253623baa7 (diff)
downloadFreeBSD-src-797fe35608baedbdc381ddac570af58bd55dd507.zip
FreeBSD-src-797fe35608baedbdc381ddac570af58bd55dd507.tar.gz
break out of loop if we run out of mbufs
Diffstat (limited to 'sys/dev/xen')
-rw-r--r--sys/dev/xen/netfront/netfront.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/sys/dev/xen/netfront/netfront.c b/sys/dev/xen/netfront/netfront.c
index 7efeb20..76c709a 100644
--- a/sys/dev/xen/netfront/netfront.c
+++ b/sys/dev/xen/netfront/netfront.c
@@ -1234,11 +1234,12 @@ xennet_get_responses(struct netfront_info *np,
gnttab_release_grant_reference(&np->gref_rx_head, ref);
next:
- if (m != NULL) {
- m->m_len = rx->status;
- m->m_data += rx->offset;
- m0->m_pkthdr.len += rx->status;
- }
+ if (m == NULL)
+ break;
+
+ m->m_len = rx->status;
+ m->m_data += rx->offset;
+ m0->m_pkthdr.len += rx->status;
if (!(rx->flags & NETRXF_more_data))
break;
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