diff options
Diffstat (limited to 'mm/damon/sysfs.c')
| -rw-r--r-- | mm/damon/sysfs.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index 3dbf3804ec88..1fa0023f136e 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -2592,19 +2592,16 @@ 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: |