* [PATCH] perf/x86/intel: replace scnprintf in show functions with sysfs_emit
@ 2021-11-16 11:37 cgel.zte
0 siblings, 0 replies; only message in thread
From: cgel.zte @ 2021-11-16 11:37 UTC (permalink / raw)
To: mingo
Cc: acme, mark.rutland, alexander.shishkin, jolsa, namhyung, tglx,
bp, x86, hpa, linux-perf-users, linux-kernel, Changcheng Deng,
Zeal Robot
From: Changcheng Deng <deng.changcheng@zte.com.cn>
Fix the coccicheck warning:
WARNING: use scnprintf or sprintf
Use sysfs_emit instead of scnprintf or sprintf makes more sense.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Changcheng Deng <deng.changcheng@zte.com.cn>
---
arch/x86/events/intel/core.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 4d679b2d6024..ad87a48bfb41 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -5115,7 +5115,7 @@ static ssize_t show_sysctl_tfa(struct device *cdev,
struct device_attribute *attr,
char *buf)
{
- return snprintf(buf, 40, "%d\n", allow_tsx_force_abort);
+ return sysfs_emit(buf, "%d\n", allow_tsx_force_abort);
}
static ssize_t set_sysctl_tfa(struct device *cdev,
@@ -5149,7 +5149,7 @@ static ssize_t branches_show(struct device *cdev,
struct device_attribute *attr,
char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%d\n", x86_pmu.lbr_nr);
+ return sysfs_emit(buf, "%d\n", x86_pmu.lbr_nr);
}
static DEVICE_ATTR_RO(branches);
@@ -5165,7 +5165,7 @@ static ssize_t pmu_name_show(struct device *cdev,
struct device_attribute *attr,
char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%s\n", pmu_name_str);
+ return sysfs_emit(buf, "%s\n", pmu_name_str);
}
static DEVICE_ATTR_RO(pmu_name);
--
2.25.1
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2021-11-16 11:37 [PATCH] perf/x86/intel: replace scnprintf in show functions with sysfs_emit cgel.zte
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