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* [PATCH linux-next] perf/x86/intel/pt: use sysfs_emit() to instead of scnprintf()
@ 2022-11-15 12:00 yang.yang29
  0 siblings, 0 replies; only message in thread
From: yang.yang29 @ 2022-11-15 12:00 UTC (permalink / raw)
  To: mingo
  Cc: acme, mark.rutland, alexander.shishkin, jolsa, namhyung, tglx, bp,
	dave.hansen, x86, hpa, linux-perf-users, linux-kernel, xu.panda,
	yang.yang29

From: Xu Panda <xu.panda@zte.com.cn>

Replace the open-code with sysfs_emit() to simplify the code.

Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
Signed-off-by: Yang Yang <yang.yang29@zte.com>
---
 arch/x86/events/intel/pt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c
index 82ef87e9a897..23e249e260f5 100644
--- a/arch/x86/events/intel/pt.c
+++ b/arch/x86/events/intel/pt.c
@@ -96,7 +96,7 @@ static ssize_t pt_cap_show(struct device *cdev,
 		container_of(attr, struct dev_ext_attribute, attr);
 	enum pt_capabilities cap = (long)ea->var;

-	return snprintf(buf, PAGE_SIZE, "%x\n", intel_pt_validate_hw_cap(cap));
+	return sysfs_emit(buf, "%x\n", intel_pt_validate_hw_cap(cap));
 }

 static struct attribute_group pt_cap_group __ro_after_init = {
-- 
2.15.2

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2022-11-15 12:00 [PATCH linux-next] perf/x86/intel/pt: use sysfs_emit() to instead of scnprintf() yang.yang29

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