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mips: kernel: no need to check return value of debugfs_create functions

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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: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: James Hogan <jhogan@kernel.org>
Cc: Yangtao Li <tiny.windzz@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Mathieu Malaterre <malat@debian.org>
Cc: Huacai Chen <chenhc@lemote.com>
Cc: Marcin Nowakowski <marcin.nowakowski@mips.com>
Cc: Yasha Cherikovsky <yasha.che3@gmail.com>
Cc: linux-mips@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Paul Burton <paul.burton@mips.com>
This commit is contained in:
Greg Kroah-Hartman 2019-01-22 15:57:42 +01:00 • committed by Paul Burton
parent ef9d5a6a3f
commit d8140426bc
No known key found for this signature in database
GPG key ID: 3EA79FACB57500DD
5 changed files with 16 additions and 64 deletions
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15
arch/mips/kernel/segment.c
View file

@ -95,18 +95,9 @@ static const struct file_operations segments_fops = {
static int __init segments_info(void)
{
struct dentry *segments;
if (cpu_has_segments) {
if (!mips_debugfs_dir)
return -ENODEV;
segments = debugfs_create_file("segments", S_IRUGO,
mips_debugfs_dir, NULL,
&segments_fops);
if (!segments)
return -ENOMEM;
}
if (cpu_has_segments)
debugfs_create_file("segments", S_IRUGO, mips_debugfs_dir, NULL,
&segments_fops);
return 0;
}