patch-2.1.43 linux/fs/sysv/symlink.c

• Lines: 72
• Date: Thu Jun 12 16:22:09 1997
• Orig file: v2.1.42/linux/fs/sysv/symlink.c
• Orig date: Mon Oct 28 04:29:27 1996

diff -u --recursive --new-file v2.1.42/linux/fs/sysv/symlink.c linux/fs/sysv/symlink.c
@@ -21,7 +21,6 @@
 #include <asm/uaccess.h>
 
 static int sysv_readlink(struct inode *, char *, int);
-static int sysv_follow_link(struct inode *, struct inode *, int, int, struct inode **);
 
 /*
  * symlinks can't do much...
@@ -38,7 +37,6 @@
 	NULL,			/* mknod */
 	NULL,			/* rename */
 	sysv_readlink,		/* readlink */
-	sysv_follow_link,	/* follow_link */
 	NULL,			/* readpage */
 	NULL,			/* writepage */
 	NULL,			/* bmap */
@@ -46,44 +44,6 @@
 	NULL			/* permission */
 };
 
-static int sysv_follow_link(struct inode * dir, struct inode * inode,
-	int flag, int mode, struct inode ** res_inode)
-{
-	int error;
-	struct buffer_head * bh;
-
-	*res_inode = NULL;
-	if (!dir) {
-		dir = current->fs->root;
-		dir->i_count++;
-	}
-	if (!inode) {
-		iput(dir);
-		return -ENOENT;
-	}
-	if (!S_ISLNK(inode->i_mode)) {
-		iput(dir);
-		*res_inode = inode;
-		return 0;
-	}
-	if (current->link_count > 5) {
-		iput(inode);
-		iput(dir);
-		return -ELOOP;
-	}
-	if (!(bh = sysv_file_bread(inode, 0, 0))) { /* is reading 1 block enough ?? */
-		iput(inode);
-		iput(dir);
-		return -EIO;
-	}
-	iput(inode);
-	current->link_count++;
-	error = open_namei(bh->b_data,flag,mode,res_inode,dir);
-	current->link_count--;
-	brelse(bh);
-	return error;
-}
-
 static int sysv_readlink(struct inode * inode, char * buffer, int buflen)
 {
 	struct buffer_head * bh;
@@ -91,10 +51,6 @@
 	int i;
 	char c;
 
-	if (!S_ISLNK(inode->i_mode)) {
-		iput(inode);
-		return -EINVAL;
-	}
 	if (buflen > inode->i_sb->sv_block_size_1)
 		buflen = inode->i_sb->sv_block_size_1;
 	bh = sysv_file_bread(inode, 0, 0);