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authorDavid S. Miller <davem@davemloft.net>2011-03-11 01:26:00 +0300
committerDavid S. Miller <davem@davemloft.net>2011-03-11 01:26:00 +0300
commit33175d84ee3fa29991adb80513683e010769e807 (patch)
tree3731f61cf82451b6892cf1368701e57e35d92908 /drivers/net/macvtap.c
parentc5908939b2738bafe1b309bc2465cb9f2e6184c5 (diff)
parent6dfbd87a20a737641ef228230c77f4262434fa24 (diff)
downloadlinux-33175d84ee3fa29991adb80513683e010769e807.tar.xz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/bnx2x/bnx2x_cmn.c
Diffstat (limited to 'drivers/net/macvtap.c')
-rw-r--r--drivers/net/macvtap.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 2300e4599520..6696e56e6320 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -530,8 +530,9 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q,
vnet_hdr_len = q->vnet_hdr_sz;
err = -EINVAL;
- if ((len -= vnet_hdr_len) < 0)
+ if (len < vnet_hdr_len)
goto err;
+ len -= vnet_hdr_len;
err = memcpy_fromiovecend((void *)&vnet_hdr, iv, 0,
sizeof(vnet_hdr));