linux-kernel - [PATCH] GFS2: fix error propagation in init

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Message-Id: <1370467744-4533-1-git-send-email-khoroshilov@ispras.ru>
Date:	Thu,  6 Jun 2013 01:29:04 +0400
From:	Alexey Khoroshilov <khoroshilov@...ras.ru>
To:	Steven Whitehouse <swhiteho@...hat.com>
Cc:	Alexey Khoroshilov <khoroshilov@...ras.ru>,
	cluster-devel@...hat.com, linux-kernel@...r.kernel.org,
	ldv-project@...uxtesting.org
Subject: [PATCH] GFS2: fix error propagation in init_threads()

If kthread_run() fails, init_threads() returns
IS_ERR(p) instead of PTR_ERR(p).

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru>
---
 fs/gfs2/ops_fstype.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 60ede2a..0262c19 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -916,16 +916,16 @@ static int init_threads(struct gfs2_sbd *sdp, int undo)
 		goto fail_quotad;
 
 	p = kthread_run(gfs2_logd, sdp, "gfs2_logd");
-	error = IS_ERR(p);
-	if (error) {
+	if (IS_ERR(p)) {
+		error = PTR_ERR(p);
 		fs_err(sdp, "can't start logd thread: %d\n", error);
 		return error;
 	}
 	sdp->sd_logd_process = p;
 
 	p = kthread_run(gfs2_quotad, sdp, "gfs2_quotad");
-	error = IS_ERR(p);
-	if (error) {
+	if (IS_ERR(p)) {
+		error = PTR_ERR(p);
 		fs_err(sdp, "can't start quotad thread: %d\n", error);
 		goto fail;
 	}
-- 
1.8.1.2

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