From: Aliaksei Karaliou <akaraliou.dev@gmail.com>
Date: Thu, 7 Dec 2017 07:25:50 +0000 (+0300)
Subject: drivers: lustre: osc: check result of register_shrinker()
X-Git-Tag: rel_imx_4.19.35_1.1.0~10789^2~370
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=3be21f345e8104899fd1dfcf9347432f5217c481;p=linux.git

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

osc_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/osc/osc_request.c b/drivers/staging/lustre/lustre/osc/osc_request.c
index 53eda4c99142..45b1ebf33363 100644
--- a/drivers/staging/lustre/lustre/osc/osc_request.c
+++ b/drivers/staging/lustre/lustre/osc/osc_request.c
@@ -2844,7 +2844,9 @@ static int __init osc_init(void)
 	if (rc)
 		goto out_kmem;
 
-	register_shrinker(&osc_cache_shrinker);
+	rc = register_shrinker(&osc_cache_shrinker);
+	if (rc)
+		goto out_type;
 
 	/* This is obviously too much memory, only prevent overflow here */
 	if (osc_reqpool_mem_max >= 1 << 12 || osc_reqpool_mem_max == 0) {