Thread (277 messages) 277 messages, 11 authors, 2022-03-02
STALE1551d

[PATCH 4.19 043/247] Bluetooth: drop HCI device reference before return

From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-03-01 20:05:20
Also in: lkml
Subsystem: bluetooth subsystem, the rest · Maintainers: Marcel Holtmann, Luiz Augusto von Dentz, Linus Torvalds

From: Pan Bian <redacted>

[ Upstream commit 5a3ef03afe7e12982dc3b978f4c5077c907f7501 ]

Call hci_dev_put() to decrement reference count of HCI device hdev if
fails to duplicate memory.

Fixes: 0b26ab9dce74 ("Bluetooth: AMP: Handle Accept phylink command status evt")
Signed-off-by: Pan Bian <redacted>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/bluetooth/a2mp.c | 1 +
 1 file changed, 1 insertion(+)
diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c
index 888813342cfc8..e09ea78356c36 100644
--- a/net/bluetooth/a2mp.c
+++ b/net/bluetooth/a2mp.c
@@ -519,6 +519,7 @@ static int a2mp_createphyslink_req(struct amp_mgr *mgr, struct sk_buff *skb,
 		assoc = kmemdup(req->amp_assoc, assoc_len, GFP_KERNEL);
 		if (!assoc) {
 			amp_ctrl_put(ctrl);
+			hci_dev_put(hdev);
 			return -ENOMEM;
 		}
 
-- 
2.27.0


Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help