diff options
Diffstat (limited to 'fs/sysv/symlink.c')
| -rw-r--r-- | fs/sysv/symlink.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/fs/sysv/symlink.c b/fs/sysv/symlink.c index 4e8a5e349..d76c3fa66 100644 --- a/fs/sysv/symlink.c +++ b/fs/sysv/symlink.c @@ -21,6 +21,7 @@ #include <asm/uaccess.h> static int sysv_readlink(struct inode *, char *, int); +static struct dentry *sysv_follow_link(struct inode *, struct dentry *); /* * symlinks can't do much... @@ -37,6 +38,7 @@ struct inode_operations sysv_symlink_inode_operations = { NULL, /* mknod */ NULL, /* rename */ sysv_readlink, /* readlink */ + sysv_follow_link, /* follow_link */ NULL, /* readpage */ NULL, /* writepage */ NULL, /* bmap */ @@ -44,6 +46,21 @@ struct inode_operations sysv_symlink_inode_operations = { NULL /* permission */ }; +static struct dentry *sysv_follow_link(struct inode * inode, struct dentry * base) +{ + struct buffer_head * bh; + + bh = sysv_file_bread(inode, 0, 0); + if (!bh) { + dput(base); + return ERR_PTR(-EIO); + } + UPDATE_ATIME(inode); + base = lookup_dentry(bh->b_data, base, 1); + brelse(bh); + return base; +} + static int sysv_readlink(struct inode * inode, char * buffer, int buflen) { struct buffer_head * bh; @@ -54,7 +71,6 @@ static int sysv_readlink(struct inode * inode, char * buffer, int buflen) if (buflen > inode->i_sb->sv_block_size_1) buflen = inode->i_sb->sv_block_size_1; bh = sysv_file_bread(inode, 0, 0); - iput(inode); if (!bh) return 0; bh_data = bh->b_data; |