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authorThomas Chenault <thomas_chenault@dell.com>2009-05-18 21:43:27 -0700
committerDavid S. Miller <davem@davemloft.net>2009-05-18 21:43:27 -0700
commit995b337952cdf7e05d288eede580257b632a8343 (patch)
tree478904bce184ab3e600d80c5ea6835f173bad932 /net
parent511e11e396dc596825ce04d53d7f6d579404bc01 (diff)
net: fix skb_seq_read returning wrong offset/length for page frag data
When called with a consumed value that is less than skb_headlen(skb) bytes into a page frag, skb_seq_read() incorrectly returns an offset/length relative to skb->data. Ensure that data which should come from a page frag does. Signed-off-by: Thomas Chenault <thomas_chenault@dell.com> Tested-by: Shyam Iyer <shyam_iyer@dell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/core/skbuff.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index d152394b261..e505b5392e1 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2288,7 +2288,7 @@ unsigned int skb_seq_read(unsigned int consumed, const u8 **data,
next_skb:
block_limit = skb_headlen(st->cur_skb) + st->stepped_offset;
- if (abs_offset < block_limit) {
+ if (abs_offset < block_limit && !st->frag_data) {
*data = st->cur_skb->data + (abs_offset - st->stepped_offset);
return block_limit - abs_offset;
}