Commit 1428a9fa authored Mar 18, 2008 by Olaf Hering Committed by Paul Mackerras Mar 24, 2008

[POWERPC] Fix crash in init_ipic_sysfs on efika

The global primary_ipic in arch/powerpc/sysdev/ipic.c can remain NULL
if ipic_init() fails, which will happen on machines that don't have an
ipic interrupt controller. init_ipic_sysfs() will crash in that case.

Acked-by: Grant Likely <grant.likely@secretlab.ca>

Signed-off-by: Paul Mackerras <paulus@samba.org>

parent cfe666b1

arch/powerpc/sysdev/ipic.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -906,7 +906,7 @@ static int __init init_ipic_sysfs(void)
		{
		int rc;

		if (!primary_ipic->regs)
		if (!primary_ipic \|\| !primary_ipic->regs)
		return -ENODEV;
		printk(KERN_DEBUG "Registering ipic with sysfs...\n");