From: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> To: will@kernel.org Cc: mark.rutland@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Subject: [PATCH] drivers/perf: convert sysfs sprintf/snprintf family to sysfs_emit Date: Thu, 4 Feb 2021 11:32:51 +0800 [thread overview] Message-ID: <1612409571-56451-1-git-send-email-jiapeng.chong@linux.alibaba.com> (raw) Fix the following coccicheck warning: ./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. Reported-by: Abaci Robot<abaci@linux.alibaba.com> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> --- drivers/perf/arm-cci.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/perf/arm-cci.c b/drivers/perf/arm-cci.c index 87c4be9..efc39cb 100644 --- a/drivers/perf/arm-cci.c +++ b/drivers/perf/arm-cci.c @@ -306,7 +306,7 @@ static ssize_t cci400_pmu_cycle_event_show(struct device *dev, { struct dev_ext_attribute *eattr = container_of(attr, struct dev_ext_attribute, attr); - return snprintf(buf, PAGE_SIZE, "config=0x%lx\n", (unsigned long)eattr->var); + return sysfs_emit(buf, "config=0x%lx\n", (unsigned long)eattr->var); } static int cci400_get_event_idx(struct cci_pmu *cci_pmu, @@ -525,8 +525,8 @@ static ssize_t cci5xx_pmu_global_event_show(struct device *dev, struct dev_ext_attribute *eattr = container_of(attr, struct dev_ext_attribute, attr); /* Global events have single fixed source code */ - return snprintf(buf, PAGE_SIZE, "event=0x%lx,source=0x%x\n", - (unsigned long)eattr->var, CCI5xx_PORT_GLOBAL); + return sysfs_emit(buf, "event=0x%lx,source=0x%x\n", + (unsigned long)eattr->var, CCI5xx_PORT_GLOBAL); } /* @@ -696,7 +696,7 @@ static ssize_t cci_pmu_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 cci_pmu_event_show(struct device *dev, @@ -705,8 +705,7 @@ static ssize_t cci_pmu_event_show(struct device *dev, struct dev_ext_attribute *eattr = container_of(attr, struct dev_ext_attribute, attr); /* source parameter is mandatory for normal PMU events */ - return snprintf(buf, PAGE_SIZE, "source=?,event=0x%lx\n", - (unsigned long)eattr->var); + return sysfs_emit(buf, "source=?,event=0x%lx\n", (unsigned long)eattr->var); } static int pmu_is_valid_counter(struct cci_pmu *cci_pmu, int idx) -- 1.8.3.1
WARNING: multiple messages have this Message-ID (diff)
From: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> To: will@kernel.org Cc: mark.rutland@arm.com, Jiapeng Chong <jiapeng.chong@linux.alibaba.com>, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH] drivers/perf: convert sysfs sprintf/snprintf family to sysfs_emit Date: Thu, 4 Feb 2021 11:32:51 +0800 [thread overview] Message-ID: <1612409571-56451-1-git-send-email-jiapeng.chong@linux.alibaba.com> (raw) Fix the following coccicheck warning: ./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. Reported-by: Abaci Robot<abaci@linux.alibaba.com> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> --- drivers/perf/arm-cci.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/perf/arm-cci.c b/drivers/perf/arm-cci.c index 87c4be9..efc39cb 100644 --- a/drivers/perf/arm-cci.c +++ b/drivers/perf/arm-cci.c @@ -306,7 +306,7 @@ static ssize_t cci400_pmu_cycle_event_show(struct device *dev, { struct dev_ext_attribute *eattr = container_of(attr, struct dev_ext_attribute, attr); - return snprintf(buf, PAGE_SIZE, "config=0x%lx\n", (unsigned long)eattr->var); + return sysfs_emit(buf, "config=0x%lx\n", (unsigned long)eattr->var); } static int cci400_get_event_idx(struct cci_pmu *cci_pmu, @@ -525,8 +525,8 @@ static ssize_t cci5xx_pmu_global_event_show(struct device *dev, struct dev_ext_attribute *eattr = container_of(attr, struct dev_ext_attribute, attr); /* Global events have single fixed source code */ - return snprintf(buf, PAGE_SIZE, "event=0x%lx,source=0x%x\n", - (unsigned long)eattr->var, CCI5xx_PORT_GLOBAL); + return sysfs_emit(buf, "event=0x%lx,source=0x%x\n", + (unsigned long)eattr->var, CCI5xx_PORT_GLOBAL); } /* @@ -696,7 +696,7 @@ static ssize_t cci_pmu_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 cci_pmu_event_show(struct device *dev, @@ -705,8 +705,7 @@ static ssize_t cci_pmu_event_show(struct device *dev, struct dev_ext_attribute *eattr = container_of(attr, struct dev_ext_attribute, attr); /* source parameter is mandatory for normal PMU events */ - return snprintf(buf, PAGE_SIZE, "source=?,event=0x%lx\n", - (unsigned long)eattr->var); + return sysfs_emit(buf, "source=?,event=0x%lx\n", (unsigned long)eattr->var); } static int pmu_is_valid_counter(struct cci_pmu *cci_pmu, int idx) -- 1.8.3.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2021-02-04 3:33 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-02-04 3:32 Jiapeng Chong [this message] 2021-02-04 3:32 ` [PATCH] drivers/perf: convert sysfs sprintf/snprintf family to sysfs_emit Jiapeng Chong 2021-02-04 13:09 ` Will Deacon 2021-02-04 13:09 ` Will Deacon
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