linux-kernel - [PATCH] cachefiles: remove redundant pointer 'cache'

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Message-Id: <20180829103023.32156-1-colin.king@canonical.com>
Date:   Wed, 29 Aug 2018 11:30:23 +0100
From:   Colin King <colin.king@...onical.com>
To:     David Howells <dhowells@...hat.com>, linux-cachefs@...hat.com
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] cachefiles: remove redundant pointer 'cache'

From: Colin Ian King <colin.king@...onical.com>

Pointer 'cache' is being assigned but is never used hence it is
redundant and can be removed.

Cleans up clang warning:
variable 'cache' set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 fs/cachefiles/rdwr.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/fs/cachefiles/rdwr.c b/fs/cachefiles/rdwr.c
index 40f7595aad10..037cfcad8c62 100644
--- a/fs/cachefiles/rdwr.c
+++ b/fs/cachefiles/rdwr.c
@@ -962,11 +962,8 @@ void cachefiles_uncache_page(struct fscache_object *_object, struct page *page)
 	__releases(&object->fscache.cookie->lock)
 {
 	struct cachefiles_object *object;
-	struct cachefiles_cache *cache;
 
 	object = container_of(_object, struct cachefiles_object, fscache);
-	cache = container_of(object->fscache.cache,
-			     struct cachefiles_cache, cache);
 
 	_enter("%p,{%lu}", object, page->index);
 
-- 
2.17.1