From 561e148ea972a6e8d2c8f7aecc658b3a64f7a6de Mon Sep 17 00:00:00 2001 From: Roland Dreier Date: Wed, 25 May 2005 12:31:30 -0700 Subject: [PATCH] [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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/infiniband/core/user_mad.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c index 56b9c2fa2ecc..9d912d6877ff 100644 --- a/drivers/infiniband/core/user_mad.c +++ b/drivers/infiniband/core/user_mad.c @@ -499,6 +499,7 @@ static int ib_umad_open(struct inode *inode, struct file *filp) 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 @@ static int ib_umad_close(struct inode *inode, struct file *filp) ib_unregister_mad_agent(file->agent[i]); } + list_for_each_entry_safe(packet, tmp, &file->recv_list, list) + kfree(packet); + kfree(file); return 0;