This is a note to let you know that I've just added the patch titled
usb: core: fix potential memory leak in error path during hcd creation
to the 4.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-core-fix-potential-memory-leak-in-error-path-during-hcd-creation.patch
and it can be found in the queue-4.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 1a744d2eb76aaafb997fda004ae3ae62a1538f85 Mon Sep 17 00:00:00 2001
From: Anton Bondarenko <anton.bondarenko.sama@xxxxxxxxx>
Date: Sun, 7 May 2017 01:53:46 +0200
Subject: usb: core: fix potential memory leak in error path during hcd creation
From: Anton Bondarenko <anton.bondarenko.sama@xxxxxxxxx>
commit 1a744d2eb76aaafb997fda004ae3ae62a1538f85 upstream.
Free memory allocated for address0_mutex if allocation of bandwidth_mutex
failed.
Fixes: feb26ac31a2a ("usb: core: hub: hub_port_init lock controller instead of bus")
Signed-off-by: Anton Bondarenko <anton.bondarenko.sama@xxxxxxxxx>
Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/core/hcd.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -2535,6 +2535,7 @@ struct usb_hcd *usb_create_shared_hcd(co
hcd->bandwidth_mutex = kmalloc(sizeof(*hcd->bandwidth_mutex),
GFP_KERNEL);
if (!hcd->bandwidth_mutex) {
+ kfree(hcd->address0_mutex);
kfree(hcd);
dev_dbg(dev, "hcd bandwidth mutex alloc failed\n");
return NULL;
Patches currently in stable-queue which might be from anton.bondarenko.sama@xxxxxxxxx are
queue-4.11/usb-core-fix-potential-memory-leak-in-error-path-during-hcd-creation.patch