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rds: Fix rds message leak in rds_message_map_pages 

The sgs allocation error path leaks the allocated message.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Andy Grover <andy.grover@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2010-11-08 06:20:50 +00:00 committed by David S. Miller
parent 0cffef48eb
commit aa58163a76
1 changed files with 3 additions and 1 deletions
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4
net/rds/message.c
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@ -249,8 +249,10 @@ struct rds_message *rds_message_map_pages(unsigned long *page_addrs, unsigned in
rm->m_inc.i_hdr.h_len = cpu_to_be32(total_len);
rm->data.op_nents = ceil(total_len, PAGE_SIZE);
rm->data.op_sg = rds_message_alloc_sgs(rm, num_sgs);
if (!rm->data.op_sg)
if (!rm->data.op_sg) {
rds_message_put(rm);
return ERR_PTR(-ENOMEM);
}
for (i = 0; i < rm->data.op_nents; ++i) {
sg_set_page(&rm->data.op_sg[i],