diff options
Diffstat (limited to 'mm/damon/core.c')
| -rw-r--r-- | mm/damon/core.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/mm/damon/core.c b/mm/damon/core.c index b787cdb07cb2..cee5320cd9a1 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -1236,6 +1236,9 @@ int damon_commit_ctx(struct damon_ctx *dst, struct damon_ctx *src) { int err; + if (!is_power_of_2(src->min_sz_region)) + return -EINVAL; + err = damon_commit_schemes(dst, src); if (err) return err; @@ -1526,8 +1529,13 @@ 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; |