cachefiles: Handle readpage error correctly
authorMatthew Wilcox (Oracle) <willy@infradead.org>
Mon, 26 Oct 2020 09:12:10 +0000 (09:12 +0000)
committerLinus Torvalds <torvalds@linux-foundation.org>
Mon, 26 Oct 2020 17:42:54 +0000 (10:42 -0700)
commit9480b4e75b7108ee68ecf5bc6b4bd68e8031c521
tree09602288708b3824dbc539c5f14d96315a7107a1
parent7e2b2da60658ee6cf7a421596a3c9eb619c810f9
cachefiles: Handle readpage error correctly

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>
fs/cachefiles/rdwr.c