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[POWERPC] Avoid NULL pointer in gpio1_interrupt
authorOlaf Hering <olaf@aepfle.de>
Tue, 26 Sep 2006 20:28:36 +0000 (22:28 +0200)
committerPaul Mackerras <paulus@samba.org>
Mon, 2 Oct 2006 10:27:26 +0000 (20:27 +1000)
gpio1_interrupt() may dereference a NULL pointer if ioremap() fails.
But, maybe no gpio interrupt happens in the first place?

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>

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