tree 3cf1e92ccb67dfef98a7f2660faaf097086d2cd0
parent da60cab4dd922cd933e82bace490f6155a32a90e
author Glauber Costa <gcosta@redhat.com> 1207757889 -0300
committer Ingo Molnar <mingo@elte.hu> 1208625598 +0200

x86: don't do dma if mask is NULL.

if the device hasn't provided a mask, abort allocation.
Note that we're using a fallback device now, so it does not cover
the case of a NULL device: just drivers passing NULL masks around.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>