drivers: lustre: ldlm: check result of register_shrinker()

ldlm_pools_init() does not check result of register_shrinker()
which was tagged __must_check recently, reported by sparse.

Signed-off-by: Aliaksei Karaliou <akaraliou.dev@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c b/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c
index da65d00a7811d94440552f65a6ae75da6420d2c1..8563bd32befa32ddb055c49bf888656e4d3ad2da 100644 (file)
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c
@@ -1086,8 +1086,12 @@ int ldlm_pools_init(void)
        int rc;
 
        rc = ldlm_pools_thread_start();
-       if (rc == 0)
-               register_shrinker(&ldlm_pools_cli_shrinker);
+       if (rc)
+               return rc;
+
+       rc = register_shrinker(&ldlm_pools_cli_shrinker);
+       if (rc)
+               ldlm_pools_thread_stop();
 
        return rc;
 }