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Subject[040/123] oprofile, x86: fix init_sysfs() function stub
From: Robert Richter <robert.richter@amd.com>

commit 269f45c25028c75fe10e6d9be86e7202ab461fbc upstream.

The use of the return value of init_sysfs() with commit

10f0412 oprofile, x86: fix init_sysfs error handling

discovered the following build error for !CONFIG_PM:

.../linux/arch/x86/oprofile/nmi_int.c: In function ‘op_nmi_init’:
.../linux/arch/x86/oprofile/nmi_int.c:784: error: expected expression before ‘do’
make[2]: *** [arch/x86/oprofile/nmi_int.o] Error 1
make[1]: *** [arch/x86/oprofile] Error 2

This patch fixes this.

Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
arch/x86/oprofile/nmi_int.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -535,8 +535,10 @@ 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)

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