[PATCH AUTOSEL 4.4 47/47] fuse: Add missed unlock_page() to fuse_readpages_fill()

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From: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>

[ Upstream commit 109728ccc5933151c68d1106e4065478a487a323 ]

The above error path returns with page unlocked, so this place seems also
to behave the same.

Fixes: f8dbdf81821b ("fuse: rework fuse_readpages()")
Signed-off-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
---
 fs/fuse/file.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 1a063cbfe503..8577f3ba6dc6 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -879,6 +879,7 @@ static int fuse_readpages_fill(void *_data, struct page *page)
 	}
 
 	if (WARN_ON(req->num_pages >= req->max_pages)) {
+		unlock_page(page);
 		fuse_put_request(fc, req);
 		return -EIO;
 	}
-- 
2.17.1




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