Hello.

Josh Boyer wrote:

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From: Christian Krafft <redacted>

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This patch fixes the following compiler warning:
arch/powerpc/kernel/sysfs.c:385: warning: ignoring return value of
`sysfs_create_group',

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Signed-off-by: Christian Krafft <redacted>

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Index: linux-2.6.22-rc5/arch/powerpc/kernel/sysfs.c
===================================================================

--- linux-2.6.22-rc5.orig/arch/powerpc/kernel/sysfs.c
+++ linux-2.6.22-rc5/arch/powerpc/kernel/sysfs.c

@@ -380,16 +380,23 @@ int cpu_add_sysdev_attr_group(struct att

{
	int cpu;
	struct sys_device *sysdev;
+	int error;

	mutex_lock(&cpu_mutex);

	for_each_possible_cpu(cpu) {
		sysdev = get_cpu_sysdev(cpu);
-		sysfs_create_group(&sysdev->kobj, attrs);
+		error |= sysfs_create_group(&sysdev->kobj, attrs);

Why are you or'ing the return value with whatever is in the
uninitialized variable?

    To make it always fail, no doubt. ;-)
    ISO accumulation error, it makes more sense to start cleanup created 
groups right after the first creation failure -- although with the callers opf 
this function ignoring the result anyway, who cares. :-)

josh

WBR, Sergei