diff options
Diffstat (limited to 'samples/damon/mtier.c')
| -rw-r--r-- | samples/damon/mtier.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/samples/damon/mtier.c b/samples/damon/mtier.c index 7ebd352138e4..775838a23d93 100644 --- a/samples/damon/mtier.c +++ b/samples/damon/mtier.c @@ -193,8 +193,6 @@ static void damon_sample_mtier_stop(void) damon_destroy_ctx(ctxs[1]); } -static bool init_called; - static int damon_sample_mtier_enable_store( const char *val, const struct kernel_param *kp) { @@ -208,6 +206,9 @@ static int damon_sample_mtier_enable_store( if (enabled == is_enabled) return 0; + if (!damon_initialized()) + return 0; + if (enabled) { err = damon_sample_mtier_start(); if (err) @@ -222,7 +223,12 @@ static int __init damon_sample_mtier_init(void) { int err = 0; - init_called = true; + if (!damon_initialized()) { + if (enabled) + enabled = false; + return -ENOMEM; + } + if (enabled) { err = damon_sample_mtier_start(); if (err) |