2022-11-15 12:42:14

by Yang Yang

[permalink] [raw]
Subject: [PATCH linux-next] perf/x86/intel/pt: use sysfs_emit() to instead of scnprintf()

From: Xu Panda <[email protected]>

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

Signed-off-by: Xu Panda <[email protected]>
Signed-off-by: Yang Yang <[email protected]>
---
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