diff options
| author |   Takashi Iwai <tiwai@suse.de> | 2010-09-16 07:33:21 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-09-16 07:33:21 +0200 |
| commit | c91925db4925ba0d145478f02c093369196936e9 (patch) | |
| tree | 0e5da4211de3c18b65337c3094ec15994cf2534a /arch/x86/oprofile/nmi_int.c | |
| parent | ALSA: hda - Set up COEFs for ALC269 to avoid click noises at power-saving (diff) | |
| parent | ALSA: patch_nvhdmi.c: Fix supported sample rate list. (diff) | |
| download | linux-dev-c91925db4925ba0d145478f02c093369196936e9.tar.xz linux-dev-c91925db4925ba0d145478f02c093369196936e9.zip | |
Merge branch 'fix/hda' into topic/hda
Diffstat (limited to 'arch/x86/oprofile/nmi_int.c')
| -rw-r--r-- | arch/x86/oprofile/nmi_int.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c index f6b48f6c5951..cfe4faabb0f6 100644 --- a/arch/x86/oprofile/nmi_int.c +++ b/arch/x86/oprofile/nmi_int.c @@ -568,8 +568,13 @@ static int __init init_sysfs(void) int error; error = sysdev_class_register(&oprofile_sysclass); - if (!error) - error = sysdev_register(&device_oprofile); + if (error) + return error; + + error = sysdev_register(&device_oprofile); + if (error) + sysdev_class_unregister(&oprofile_sysclass); + return error; } @@ -580,8 +585,10 @@ static void exit_sysfs(void) } #else -#define init_sysfs() do { } while (0) -#define exit_sysfs() do { } while (0) + +static inline int init_sysfs(void) { return 0; } +static inline void exit_sysfs(void) { } + #endif /* CONFIG_PM */ static int __init p4_init(char **cpu_type) @@ -695,6 +702,8 @@ int __init op_nmi_init(struct oprofile_operations *ops) char *cpu_type = NULL; int ret = 0; + using_nmi = 0; + if (!cpu_has_apic) return -ENODEV; @@ -774,7 +783,10 @@ int __init op_nmi_init(struct oprofile_operations *ops) mux_init(ops); - init_sysfs(); + ret = init_sysfs(); + if (ret) + return ret; + using_nmi = 1; printk(KERN_INFO "oprofile: using NMI interrupt.\n"); return 0; |