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fuse: fix missing unlock_page in fuse_writepage()

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commit d5880c7a8620290a6c90ced7a0e8bd0ad9419601 upstream.

unlock_page() was missing in case of an already in-flight write against the
same page.

Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Fixes: ff17be086477 ("fuse: writepage: skip already in flight")
Cc: <stable@vger.kernel.org> # v3.13
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Vasily Averin 2019-09-13 18:17:11 +03:00 committed by Greg Kroah-Hartman
parent 9987bd101e
commit 7d52993a8d
1 changed files with 1 additions and 0 deletions
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fs/fuse/file.c
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@ -1699,6 +1699,7 @@ static int fuse_writepage(struct page *page, struct writeback_control *wbc)
WARN_ON(wbc->sync_mode == WB_SYNC_ALL);
redirty_page_for_writepage(wbc, page);
unlock_page(page);
return 0;
}