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| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-01-22 15:35:41 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-06-03 16:18:12 +0200 |
| commit | 519e96ee114ff70e420111b39d884153250626dd (patch) | |
| tree | 0fce2daafc2917e12aa1f116f69516ccd390adb4 /arch/x86/platform/intel-quark/imr.c | |
| parent | x86: mm: no need to check return value of debugfs_create functions (diff) | |
| download | linux-dev-519e96ee114ff70e420111b39d884153250626dd.tar.xz linux-dev-519e96ee114ff70e420111b39d884153250626dd.zip | |
x86: platform: 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: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: <x86@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/platform/intel-quark/imr.c')
| -rw-r--r-- | arch/x86/platform/intel-quark/imr.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/arch/x86/platform/intel-quark/imr.c b/arch/x86/platform/intel-quark/imr.c index b5420371d32d..6dd25dc5f027 100644 --- a/arch/x86/platform/intel-quark/imr.c +++ b/arch/x86/platform/intel-quark/imr.c @@ -35,7 +35,6 @@ #include <linux/types.h> struct imr_device { - struct dentry *file; bool init; struct mutex lock; int max_imr; @@ -231,13 +230,11 @@ DEFINE_SHOW_ATTRIBUTE(imr_dbgfs_state); * imr_debugfs_register - register debugfs hooks. * * @idev: pointer to imr_device structure. - * @return: 0 on success - errno on failure. */ -static int imr_debugfs_register(struct imr_device *idev) +static void imr_debugfs_register(struct imr_device *idev) { - idev->file = debugfs_create_file("imr_state", 0444, NULL, idev, - &imr_dbgfs_state_fops); - return PTR_ERR_OR_ZERO(idev->file); + debugfs_create_file("imr_state", 0444, NULL, idev, + &imr_dbgfs_state_fops); } /** @@ -582,7 +579,6 @@ static const struct x86_cpu_id imr_ids[] __initconst = { static int __init imr_init(void) { struct imr_device *idev = &imr_dev; - int ret; if (!x86_match_cpu(imr_ids) || !iosf_mbi_available()) return -ENODEV; @@ -592,9 +588,7 @@ static int __init imr_init(void) idev->init = true; mutex_init(&idev->lock); - ret = imr_debugfs_register(idev); - if (ret != 0) - pr_warn("debugfs register failed!\n"); + imr_debugfs_register(idev); imr_fixup_memmap(idev); return 0; } |