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Subject[PATCH 4.9 013/271] exportfs: fix passing zero to ERR_PTR() warning
Date
From: YueHaibing <yuehaibing@huawei.com>

[ Upstream commit 909e22e05353a783c526829427e9a8de122fba9c ]

Fix a static code checker warning:
fs/exportfs/expfs.c:171 reconnect_one() warn: passing zero to 'ERR_PTR'

The error path for lookup_one_len_unlocked failure
should set err to PTR_ERR.

Fixes: bbf7a8a3562f ("exportfs: move most of reconnect_path to helper function")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/exportfs/expfs.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c
index 3706939e5dd5e..1730122b10e06 100644
--- a/fs/exportfs/expfs.c
+++ b/fs/exportfs/expfs.c
@@ -146,6 +146,7 @@ static struct dentry *reconnect_one(struct vfsmount *mnt,
tmp = lookup_one_len_unlocked(nbuf, parent, strlen(nbuf));
if (IS_ERR(tmp)) {
dprintk("%s: lookup failed: %d\n", __func__, PTR_ERR(tmp));
+ err = PTR_ERR(tmp);
goto out_err;
}
if (tmp != dentry) {
--
2.20.1


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