linux-kernel - [PATCH] 9p: remove unnecessary type castings

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Date:   Fri,  1 Apr 2022 00:05:45 -0700
From:   Yu Zhe <yuzhe@...china.com>
To:     ericvh@...il.com, lucho@...kov.net, asmadeus@...ewreck.org,
        linux_oss@...debyte.com
Cc:     v9fs-developer@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org, liqiong@...china.com,
        Yu Zhe <yuzhe@...china.com>
Subject: [PATCH] 9p: remove unnecessary type castings

remove unnecessary void* type castings.

Signed-off-by: Yu Zhe <yuzhe@...china.com>
---
 fs/9p/fid.c            | 2 +-
 fs/9p/v9fs.c           | 2 +-
 fs/9p/vfs_inode.c      | 4 ++--
 fs/9p/vfs_inode_dotl.c | 4 ++--
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/9p/fid.c b/fs/9p/fid.c
index 79df61fe0e59..c2b8d7fc9e53 100644
--- a/fs/9p/fid.c
+++ b/fs/9p/fid.c
@@ -53,7 +53,7 @@ static struct p9_fid *v9fs_fid_find_inode(struct inode *inode, kuid_t uid)
 	p9_debug(P9_DEBUG_VFS, " inode: %p\n", inode);
 
 	spin_lock(&inode->i_lock);
-	h = (struct hlist_head *)&inode->i_private;
+	h = &inode->i_private;
 	hlist_for_each_entry(fid, h, ilist) {
 		if (uid_eq(fid->uid, uid)) {
 			refcount_inc(&fid->count);
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index e28ddf763b3b..51ddc58a7029 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -622,7 +622,7 @@ static void v9fs_sysfs_cleanup(void)
 
 static void v9fs_inode_init_once(void *foo)
 {
-	struct v9fs_inode *v9inode = (struct v9fs_inode *)foo;
+	struct v9fs_inode *v9inode = foo;
 
 	memset(&v9inode->qid, 0, sizeof(v9inode->qid));
 	inode_init_once(&v9inode->vfs_inode);
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 55367ecb9442..f415fd7a1eaf 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -409,7 +409,7 @@ static int v9fs_test_inode(struct inode *inode, void *data)
 	int umode;
 	dev_t rdev;
 	struct v9fs_inode *v9inode = V9FS_I(inode);
-	struct p9_wstat *st = (struct p9_wstat *)data;
+	struct p9_wstat *st = data;
 	struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode);
 
 	umode = p9mode2unixmode(v9ses, st, &rdev);
@@ -438,7 +438,7 @@ static int v9fs_test_new_inode(struct inode *inode, void *data)
 static int v9fs_set_inode(struct inode *inode,  void *data)
 {
 	struct v9fs_inode *v9inode = V9FS_I(inode);
-	struct p9_wstat *st = (struct p9_wstat *)data;
+	struct p9_wstat *st = data;
 
 	memcpy(&v9inode->qid, &st->qid, sizeof(st->qid));
 	return 0;
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index d17502a738a9..b910fee62e25 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -57,7 +57,7 @@ static kgid_t v9fs_get_fsgid_for_create(struct inode *dir_inode)
 static int v9fs_test_inode_dotl(struct inode *inode, void *data)
 {
 	struct v9fs_inode *v9inode = V9FS_I(inode);
-	struct p9_stat_dotl *st = (struct p9_stat_dotl *)data;
+	struct p9_stat_dotl *st = data;
 
 	/* don't match inode of different type */
 	if (inode_wrong_type(inode, st->st_mode))
@@ -88,7 +88,7 @@ static int v9fs_test_new_inode_dotl(struct inode *inode, void *data)
 static int v9fs_set_inode_dotl(struct inode *inode,  void *data)
 {
 	struct v9fs_inode *v9inode = V9FS_I(inode);
-	struct p9_stat_dotl *st = (struct p9_stat_dotl *)data;
+	struct p9_stat_dotl *st = data;
 
 	memcpy(&v9inode->qid, &st->qid, sizeof(st->qid));
 	inode->i_generation = st->st_gen;
-- 
2.25.1