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drivers/perf: convert sysfs snprintf family to sysfs_emit

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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>
This commit is contained in:
Zihao Tang
2021-03-19 18:04:31 +08:00
committed by Will Deacon
parent 1e28eed176
commit 700a9cf052
8 changed files with 25 additions and 28 deletions
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4
drivers/perf/arm-ccn.c
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@@ -221,7 +221,7 @@ static ssize_t arm_ccn_pmu_format_show(struct device *dev,
struct dev_ext_attribute *ea = container_of(attr,
struct dev_ext_attribute, attr);
return snprintf(buf, PAGE_SIZE, "%s\n", (char *)ea->var);
return sysfs_emit(buf, "%s\n", (char *)ea->var);
}
#define CCN_FORMAT_ATTR(_name, _config) \
@@ -476,7 +476,7 @@ static ssize_t arm_ccn_pmu_cmp_mask_show(struct device *dev,
struct arm_ccn *ccn = pmu_to_arm_ccn(dev_get_drvdata(dev));
u64 *mask = arm_ccn_pmu_get_cmp_mask(ccn, attr->attr.name);
return mask ? snprintf(buf, PAGE_SIZE, "0x%016llx\n", *mask) : -EINVAL;
return mask ? sysfs_emit(buf, "0x%016llx\n", *mask) : -EINVAL;
}
static ssize_t arm_ccn_pmu_cmp_mask_store(struct device *dev,