linux-kernel - [PATCH -next] 9p: Remove unneeded cast from memory allocation

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Message-ID: <1596013140-49744-1-git-send-email-liheng40@huawei.com>
Date:   Wed, 29 Jul 2020 16:59:00 +0800
From:   Li Heng <liheng40@...wei.com>
To:     <ericvh@...il.com>, <lucho@...kov.net>, <asmadeus@...ewreck.org>
CC:     <v9fs-developer@...ts.sourceforge.net>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] 9p: Remove unneeded cast from memory allocation

Remove casting the values returned by memory allocation function.

Coccinelle emits WARNING:

./fs/9p/vfs_inode.c:226:12-29: WARNING: casting value returned by memory allocation function to (struct v9fs_inode *) is useless.

Signed-off-by: Li Heng <liheng40@...wei.com>
---
 fs/9p/vfs_inode.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 0fd5bf2..ae0c38a 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -223,8 +223,7 @@ v9fs_blank_wstat(struct p9_wstat *wstat)
 struct inode *v9fs_alloc_inode(struct super_block *sb)
 {
 	struct v9fs_inode *v9inode;
-	v9inode = (struct v9fs_inode *)kmem_cache_alloc(v9fs_inode_cache,
-							GFP_KERNEL);
+	v9inode = kmem_cache_alloc(v9fs_inode_cache, GFP_KERNEL);
 	if (!v9inode)
 		return NULL;
 #ifdef CONFIG_9P_FSCACHE
-- 
2.7.4