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usb: host: max3421-hcd: unconditionally use GFP_ATOMIC in max3421_urb_enqueue() 

As far as kzalloc() is called with spinlock held,
we have to pass GFP_ATOMIC regardless of mem_flags argument.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: David Mosberger <davidm@egauge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexey Khoroshilov 2014-06-19 23:44:57 +04:00 committed by Greg Kroah-Hartman
parent a2b63cb52f
commit 6c0f36954b
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/host/max3421-hcd.c
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@ -1547,7 +1547,7 @@ max3421_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags)
max3421_ep = urb->ep->hcpriv;
if (!max3421_ep) {
/* gets freed in max3421_endpoint_disable: */
max3421_ep = kzalloc(sizeof(struct max3421_ep), mem_flags);
max3421_ep = kzalloc(sizeof(struct max3421_ep), GFP_ATOMIC);
if (!max3421_ep) {
retval = -ENOMEM;
goto out;