From: Kaixu Xia <[email protected]>
We can initialize the variable 'pid' with '-1' in pid_show() to
simplify the variable assignment operation and make the code more
readable.
Signed-off-by: Kaixu Xia <[email protected]>
---
mm/damon/sysfs.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c
index da01befae8bd..3606eec9b65d 100644
--- a/mm/damon/sysfs.c
+++ b/mm/damon/sysfs.c
@@ -2588,19 +2588,16 @@ static ssize_t pid_show(struct kobject *kobj,
struct damon_sysfs_kdamond *kdamond = container_of(kobj,
struct damon_sysfs_kdamond, kobj);
struct damon_ctx *ctx;
- int pid;
+ int pid = -1;
if (!mutex_trylock(&damon_sysfs_lock))
return -EBUSY;
ctx = kdamond->damon_ctx;
- if (!ctx) {
- pid = -1;
+ if (!ctx)
goto out;
- }
+
mutex_lock(&ctx->kdamond_lock);
- if (!ctx->kdamond)
- pid = -1;
- else
+ if (ctx->kdamond)
pid = ctx->kdamond->pid;
mutex_unlock(&ctx->kdamond_lock);
out:
--
2.27.0