[Patch] fs/romfs/inode.c: trivial improvements

[WANG Cong <xiyou.wangcong@gmail.com>]

1. There's no lists in fs/romfs/inode.c, so using list_entry is
a bit confusing. Replace it with container_of.

2. It is unnecessary to cast the return value of kmem_cache_alloc,
since it returns a void* pointer.

This patch is against 2.6.22.1.

Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>

---
 fs/romfs/inode.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: linux-2.6.22.1/fs/romfs/inode.c
===================================================================
--- linux-2.6.22.1.orig/fs/romfs/inode.c	2007-07-12 00:47:28.000000000 +0800
+++ linux-2.6.22.1/fs/romfs/inode.c	2007-07-18 16:08:56.000000000 +0800
@@ -92,7 +92,7 @@
 
 static inline struct romfs_inode_info *ROMFS_I(struct inode *inode)
 {
-	return list_entry(inode, struct romfs_inode_info, vfs_inode);
+	return container_of(inode, struct romfs_inode_info, vfs_inode);
 }
 
 static __u32
@@ -555,7 +555,7 @@
 static struct inode *romfs_alloc_inode(struct super_block *sb)
 {
 	struct romfs_inode_info *ei;
-	ei = (struct romfs_inode_info *)kmem_cache_alloc(romfs_inode_cachep, GFP_KERNEL);
+	ei = kmem_cache_alloc(romfs_inode_cachep, GFP_KERNEL);
 	if (!ei)
 		return NULL;
 	return &ei->vfs_inode;
-
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