diff options
| -rw-r--r-- | mm/damon/core.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/mm/damon/core.c b/mm/damon/core.c index adfc52fee9dc..c1d1091d307e 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -1562,8 +1562,13 @@ int damos_walk(struct damon_ctx *ctx, struct damos_walk_control *control) } ctx->walk_control = control; mutex_unlock(&ctx->walk_control_lock); - if (!damon_is_running(ctx)) + if (!damon_is_running(ctx)) { + mutex_lock(&ctx->walk_control_lock); + if (ctx->walk_control == control) + ctx->walk_control = NULL; + mutex_unlock(&ctx->walk_control_lock); return -EINVAL; + } wait_for_completion(&control->completion); if (control->canceled) return -ECANCELED; |