Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 15/30] usb: core: fix potential memory leak in error path during hcd creation | Date | Mon, 19 Jun 2017 23:20:49 +0800 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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From: Anton Bondarenko <anton.bondarenko.sama@gmail.com>
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@gmail.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/usb/core/hcd.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2511,6 +2511,7 @@ 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;
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