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(parent: 69c6535) | patch
cachefiles: Handle readpage error correctly
authorMatthew Wilcox (Oracle) <willy@infradead.org>
Mon, 26 Oct 2020 09:12:10 +0000 (09:12 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 5 Nov 2020 10:07:05 +0000 (11:07 +0100)
commit693d923af550737aa8db51faf34ac7fe8bc28ba0
tree3c17fba76df1ea4da6df84fdb2db6fb249f7db82tree | snapshot (tar.gz zip)
parent69c65357db9ef172e89f337287c5093a4fd6e9cbcommit | diff
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>
fs/cachefiles/rdwr.c diff | blob | blame | history