The "err" variable is not initialized if damon_target_has_pid(ctx) is false and sys_target->regions->nr is zero. Fixes: 0bcd216c4741 ("mm/damon/sysfs: update monitoring target regions for online input commit") Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> --- mm/damon/sysfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index e27846708b5a..1dfa96d4de99 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -1172,7 +1172,7 @@ static int damon_sysfs_update_target(struct damon_target *target, struct damon_ctx *ctx, struct damon_sysfs_target *sys_target) { - int err; + int err = 0; if (damon_target_has_pid(ctx)) { err = damon_sysfs_update_target_pid(target, sys_target->pid); -- 2.42.0