[PATCH] bluetooth: Fix failure to release lock in read_index_list()when mem alloc fails.

From: Jesper Juhl
Date: Thu Jan 13 2011 - 18:19:05 EST


If alloc_skb() fails in read_index_list() we'll return -ENOMEM without
releasing 'hci_dev_list_lock'.

Signed-off-by: Jesper Juhl <jj@xxxxxxxxxxxxx>
---
mgmt.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index f827fd9..ace8726 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -111,8 +111,10 @@ static int read_index_list(struct sock *sk)

body_len = sizeof(*ev) + sizeof(*rp) + (2 * count);
skb = alloc_skb(sizeof(*hdr) + body_len, GFP_ATOMIC);
- if (!skb)
+ if (!skb) {
+ read_unlock(&hci_dev_list_lock);
return -ENOMEM;
+ }

hdr = (void *) skb_put(skb, sizeof(*hdr));
hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);


--
Jesper Juhl <jj@xxxxxxxxxxxxx> http://www.chaosbits.net/
Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html
Plain text mails only, please.

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