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[POWERPC] Fix return value check logic in debugfs virq_mapping setup 

debugfs_create_file() returns a non-NULL (non-zero) value in case of
success, not a NULL value.

This fixes this non-critical boot-time debugging error message:

[    1.316386] calling  irq_debugfs_init+0x0/0x50
[    1.316399] initcall irq_debugfs_init+0x0/0x50 returned -12 after 0 msecs
[    1.316411] initcall irq_debugfs_init+0x0/0x50 returned with error code -12

Signed-off-by: Emil Medve <Emilian.Medve@Freescale.com>
Acked-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Emil Medve 2008-05-23 05:49:22 +10:00 committed by Paul Mackerras
parent 598056d5af
commit 476ff8a0e3
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/kernel/irq.c
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@ -1073,7 +1073,7 @@ static const struct file_operations virq_debug_fops = {
static int __init irq_debugfs_init(void)
{
if (debugfs_create_file("virq_mapping", S_IRUGO, powerpc_debugfs_root,
NULL, &virq_debug_fops))
NULL, &virq_debug_fops) == NULL)
return -ENOMEM;
return 0;