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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-03 17:45:58 +0100
committerMichal Simek <michal.simek@xilinx.com>2019-01-14 10:22:16 +0100
commit226a893bbb1f4495d7139fd57143475ada0de61d (patch)
treeaad12289ca6fe1af678af8b7ac170579c5e3895b /arch
parentbfeffd155283772bbe78c6a05dec7c0128ee500c (diff)
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/microblaze/kernel/setup.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c
index bbd6968ce55b..522a0c5d9c59 100644
--- a/arch/microblaze/kernel/setup.c
+++ b/arch/microblaze/kernel/setup.c
@@ -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);