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Subject[PATCH linux-next] tracing: Remove the unneeded result variable
Date
From: ye xingchen <ye.xingchen@zte.com.cn>

Return the value simple_read_from_buffer() directly instead of storing it
in another redundant variable.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
---
kernel/trace/trace_events.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 0356cae0cf74..9e4dd1720fff 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -1435,7 +1435,6 @@ system_enable_read(struct file *filp, char __user *ubuf, size_t cnt,
struct trace_array *tr = dir->tr;
char buf[2];
int set = 0;
- int ret;

mutex_lock(&event_mutex);
list_for_each_entry(file, &tr->events, list) {
@@ -1465,9 +1464,7 @@ system_enable_read(struct file *filp, char __user *ubuf, size_t cnt,
buf[0] = set_to_char[set];
buf[1] = '\n';

- ret = simple_read_from_buffer(ubuf, cnt, ppos, buf, 2);
-
- return ret;
+ return simple_read_from_buffer(ubuf, cnt, ppos, buf, 2);
}

static ssize_t
--
2.25.1
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