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netfs: Prevent duplicate unlocking

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[ Upstream commit 66d938e89e ]

The filio lock has been released here, so there is no need to jump to
error_folio_unlock to release it again.

Reported-by: syzbot+b73c7d94a151e2ee1e9b@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=b73c7d94a151e2ee1e9b
Signed-off-by: Lizhi Xu <lizhi.xu@windriver.com>
Acked-by: David Howells <dhowells@redhat.com>
Reviewed-by: Paulo Alcantara (Red Hat) <pc@manguebit.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Lizhi Xu
2025-09-05 09:59:25 +08:00
committed by Greg Kroah-Hartman
parent 08fdd07ae5
commit 97bbf79b53
1 changed files with 1 additions and 1 deletions
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2
fs/netfs/buffered_write.c
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@@ -347,7 +347,7 @@ ssize_t netfs_perform_write(struct kiocb *iocb, struct iov_iter *iter,
folio_put(folio);
ret = filemap_write_and_wait_range(mapping, fpos, fpos + flen - 1);
if (ret < 0)
goto error_folio_unlock;
goto out;
continue;
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