diff options
| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-01-22 15:41:11 +0100 |
|---|---|---|
| committer |   Catalin Marinas <catalin.marinas@arm.com> | 2019-01-31 17:38:19 +0000 |
| commit | e2a2e56e40822ab78e304198387f61314af7d7ce (patch) | |
| tree | 6c10ff351db17ab0879dd9da7becd02512ae97f8 /arch/arm64/mm | |
| parent | arm64: uaccess: Implement unsafe accessors (diff) | |
| download | linux-dev-e2a2e56e40822ab78e304198387f61314af7d7ce.tar.xz linux-dev-e2a2e56e40822ab78e304198387f61314af7d7ce.zip | |
arm64: dump: 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: Will Deacon <will.deacon@arm.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Peng Donglin <dolinux.peng@gmail.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/mm')
| -rw-r--r-- | arch/arm64/mm/dump.c | 4 | ||||
| -rw-r--r-- | arch/arm64/mm/ptdump_debugfs.c | 7 |
2 files changed, 4 insertions, 7 deletions
diff --git a/arch/arm64/mm/dump.c b/arch/arm64/mm/dump.c index fcb1f2a6d7c6..08c250350b8a 100644 --- a/arch/arm64/mm/dump.c +++ b/arch/arm64/mm/dump.c @@ -407,7 +407,7 @@ void ptdump_check_wx(void) static int ptdump_init(void) { ptdump_initialize(); - return ptdump_debugfs_register(&kernel_ptdump_info, - "kernel_page_tables"); + ptdump_debugfs_register(&kernel_ptdump_info, "kernel_page_tables"); + return 0; } device_initcall(ptdump_init); diff --git a/arch/arm64/mm/ptdump_debugfs.c b/arch/arm64/mm/ptdump_debugfs.c index 24d786fc3a4c..064163f25592 100644 --- a/arch/arm64/mm/ptdump_debugfs.c +++ b/arch/arm64/mm/ptdump_debugfs.c @@ -12,10 +12,7 @@ static int ptdump_show(struct seq_file *m, void *v) } DEFINE_SHOW_ATTRIBUTE(ptdump); -int ptdump_debugfs_register(struct ptdump_info *info, const char *name) +void ptdump_debugfs_register(struct ptdump_info *info, const char *name) { - struct dentry *pe; - pe = debugfs_create_file(name, 0400, NULL, info, &ptdump_fops); - return pe ? 0 : -ENOMEM; - + debugfs_create_file(name, 0400, NULL, info, &ptdump_fops); } |