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authorLinus Torvalds <torvalds@linux-foundation.org>2009-08-04 15:38:34 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-08-04 15:38:34 -0700
commitae83060026537885fd23737af161fee8afd04f4b (patch)
tree111773ae905a54c77208770962a2fce537b7bc33 /net/ipv4/arp.c
parent2edb3898b82a20ec459a67fcf76ceddcbecfe395 (diff)
parent357eb46d8f275b4e8484541234ea3ba06065e258 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (47 commits) ehea: Fix napi list corruption on ifconfig down igbvf: Allow VF driver to correctly recognize failure to set mac 3c59x: Fix build failure with gcc 3.2 sky2: Avoid transmits during sky2_down() iwlagn: do not send key clear commands when rfkill enabled libertas: Read buffer overflow drivers/net/wireless: introduce missing kfree drivers/net/wireless/iwlwifi: introduce missing kfree zd1211rw: fix unaligned access in zd_mac_rx cfg80211: fix regression on beacon world roaming feature cfg80211: add two missing NULL pointer checks ixgbe: Patch to modify 82598 PCIe completion timeout values bluetooth: rfcomm_init bug fix mlx4_en: Fix double pci unmapping. mISDN: Fix handling of receive buffer size in L1oIP pcnet32: VLB support fixes pcnet32: remove superfluous NULL pointer check in pcnet32_probe1() net: restore the original spinlock to protect unicast list netxen: fix coherent dma mask setting mISDN: Read buffer overflow ...
Diffstat (limited to 'net/ipv4/arp.c')
-rw-r--r--net/ipv4/arp.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index c29d75d8f1b..090e9991ac2 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -1304,7 +1304,9 @@ static void arp_format_neigh_entry(struct seq_file *seq,
hbuffer[k++] = hex_asc_lo(n->ha[j]);
hbuffer[k++] = ':';
}
- hbuffer[--k] = 0;
+ if (k != 0)
+ --k;
+ hbuffer[k] = 0;
#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
}
#endif