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microblaze: no need to check return value of debugfs_create functions 

When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Michal Simek <monstr@monstr.eu>
Cc: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Greg Kroah-Hartman 2019-01-03 17:45:58 +01:00 committed by Michal Simek
parent bfeffd1552
commit 226a893bbb
1 changed files with 2 additions and 11 deletions
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13
arch/microblaze/kernel/setup.c
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@ -192,23 +192,14 @@ struct dentry *of_debugfs_root;
static int microblaze_debugfs_init(void)
{
of_debugfs_root = debugfs_create_dir("microblaze", NULL);
return of_debugfs_root == NULL;
return 0;
}
arch_initcall(microblaze_debugfs_init);
# ifdef CONFIG_MMU
static int __init debugfs_tlb(void)
{
struct dentry *d;
if (!of_debugfs_root)
return -ENODEV;
d = debugfs_create_u32("tlb_skip", S_IRUGO, of_debugfs_root, &tlb_skip);
if (!d)
return -ENOMEM;
debugfs_create_u32("tlb_skip", S_IRUGO, of_debugfs_root, &tlb_skip);
return 0;
}
device_initcall(debugfs_tlb);