drivers/perf: convert sysfs snprintf family to sysfs_emit
Fix the following coccicheck warning:
./drivers/perf/hisilicon/hisi_uncore_pmu.c:128:8-16: WARNING: use scnprintf or sprintf.
./drivers/perf/fsl_imx8_ddr_perf.c:173:8-16: WARNING: use scnprintf or sprintf.
./drivers/perf/arm_spe_pmu.c:129:8-16: WARNING: use scnprintf or sprintf.
./drivers/perf/arm_smmu_pmu.c:563:8-16: WARNING: use scnprintf or sprintf.
./drivers/perf/arm_dsu_pmu.c:149:8-16: WARNING: use scnprintf or sprintf.
./drivers/perf/arm_dsu_pmu.c:139:8-16: WARNING: use scnprintf or sprintf.
./drivers/perf/arm-cmn.c:563:8-16: WARNING: use scnprintf or sprintf.
./drivers/perf/arm-cmn.c:351:8-16: WARNING: use scnprintf or sprintf.
./drivers/perf/arm-ccn.c:224:8-16: WARNING: use scnprintf or sprintf.
./drivers/perf/arm-cci.c:708:8-16: WARNING: use scnprintf or sprintf.
./drivers/perf/arm-cci.c:699:8-16: WARNING: use scnprintf or sprintf.
./drivers/perf/arm-cci.c:528:8-16: WARNING: use scnprintf or sprintf.
./drivers/perf/arm-cci.c:309:8-16: WARNING: use scnprintf or sprintf.
Signed-off-by: Zihao Tang <tangzihao1@hisilicon.com>
Signed-off-by: Qi Liu <liuqi115@huawei.com>
Link: https://lore.kernel.org/r/1616148273-16374-2-git-send-email-liuqi115@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
diff --git a/drivers/perf/arm_dsu_pmu.c b/drivers/perf/arm_dsu_pmu.c
index 0459a34..196faea 100644
--- a/drivers/perf/arm_dsu_pmu.c
+++ b/drivers/perf/arm_dsu_pmu.c
@@ -136,8 +136,7 @@ static ssize_t dsu_pmu_sysfs_event_show(struct device *dev,
{
struct dev_ext_attribute *eattr = container_of(attr,
struct dev_ext_attribute, attr);
- return snprintf(buf, PAGE_SIZE, "event=0x%lx\n",
- (unsigned long)eattr->var);
+ return sysfs_emit(buf, "event=0x%lx\n", (unsigned long)eattr->var);
}
static ssize_t dsu_pmu_sysfs_format_show(struct device *dev,
@@ -146,7 +145,7 @@ static ssize_t dsu_pmu_sysfs_format_show(struct device *dev,
{
struct dev_ext_attribute *eattr = container_of(attr,
struct dev_ext_attribute, attr);
- return snprintf(buf, PAGE_SIZE, "%s\n", (char *)eattr->var);
+ return sysfs_emit(buf, "%s\n", (char *)eattr->var);
}
static ssize_t dsu_pmu_cpumask_show(struct device *dev,