tree 3c17fba76df1ea4da6df84fdb2db6fb249f7db82
parent 69c65357db9ef172e89f337287c5093a4fd6e9cb
author Matthew Wilcox (Oracle) <willy@infradead.org> 1603703530 +0000
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1604570825 +0100

cachefiles: Handle readpage error correctly

commit 9480b4e75b7108ee68ecf5bc6b4bd68e8031c521 upstream.

If ->readpage returns an error, it has already unlocked the page.

Fixes: 5e929b33c393 ("CacheFiles: Handle truncate unlocking the page we're reading")
Cc: stable@vger.kernel.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>