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staging: emxx_udc: Replace GFP_KERNEL with GFP_ATOMIC
authorTapasweni Pathak <tapaswenipathak@gmail.com>
Fri, 20 Feb 2015 13:13:53 +0000 (18:43 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 24 Feb 2015 23:28:35 +0000 (15:28 -0800)
To avoid deadlock, do not call blocking functions with spinlocks held.

Replace GFP_KERNEL with GFP_ATOMIC, as the latter will fail if the pile
doesn't have enough free pages but will not sleep and hence deadlock can
be avoided.

Found by Coccinelle.

Signed-off-by: Tapasweni Pathak <tapaswenipathak@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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