[PATCH] IB: fix potential ib_umad leak
Free all unclaimed MAD receive buffers when userspace closes our file so we
don't leak memory.
Signed-off-by: Roland Dreier <roland@topspin.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c
index 56b9c2f..9d912d6 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -499,6 +499,7 @@
static int ib_umad_close(struct inode *inode, struct file *filp)
{
struct ib_umad_file *file = filp->private_data;
+ struct ib_umad_packet *packet, *tmp;
int i;
for (i = 0; i < IB_UMAD_MAX_AGENTS; ++i)
@@ -507,6 +508,9 @@
ib_unregister_mad_agent(file->agent[i]);
}
+ list_for_each_entry_safe(packet, tmp, &file->recv_list, list)
+ kfree(packet);
+
kfree(file);
return 0;