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Kill is_link argument of do_last()

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We set it to 1 iff we return NULL

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2009-12-26 07:04:50 -05:00
parent 67ee3ad21d
commit 9e67f36169
1 changed files with 7 additions and 14 deletions
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21
fs/namei.c
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@ -1647,15 +1647,12 @@ exit:
static struct file *do_last(struct nameidata *nd, struct path *path,
int open_flag, int acc_mode,
int mode, const char *pathname,
int *is_link)
int mode, const char *pathname)
{
struct dentry *dir = nd->path.dentry;
struct file *filp;
int error;
*is_link = 0;
if (nd->last_type == LAST_BIND)
goto ok;
@ -1727,10 +1724,9 @@ static struct file *do_last(struct nameidata *nd, struct path *path,
error = -ENOENT;
if (!path->dentry->d_inode)
goto exit_dput;
if (path->dentry->d_inode->i_op->follow_link) {
*is_link = 1;
if (path->dentry->d_inode->i_op->follow_link)
return NULL;
}
path_to_nameidata(path, nd);
error = -EISDIR;
@ -1766,7 +1762,6 @@ struct file *do_filp_open(int dfd, const char *pathname,
int count = 0;
int flag = open_to_namei_flags(open_flag);
int force_reval = 0;
int is_link;
/*
* O_SYNC is implemented as __O_SYNC|O_DSYNC. As many places only
@ -1849,9 +1844,8 @@ reval:
nd.flags |= LOOKUP_CREATE | LOOKUP_OPEN;
if (open_flag & O_EXCL)
nd.flags |= LOOKUP_EXCL;
filp = do_last(&nd, &path, open_flag, acc_mode, mode,
pathname, &is_link);
if (is_link)
filp = do_last(&nd, &path, open_flag, acc_mode, mode, pathname);
if (!filp)
goto do_link;
if (nd.root.mnt)
path_put(&nd.root);
@ -1902,11 +1896,10 @@ do_link:
return ERR_PTR(error);
}
nd.flags &= ~LOOKUP_PARENT;
filp = do_last(&nd, &path, open_flag, acc_mode, mode,
pathname, &is_link);
filp = do_last(&nd, &path, open_flag, acc_mode, mode, pathname);
if (nd.last_type == LAST_NORM)
__putname(nd.last.name);
if (is_link)
if (!filp)
goto do_link;
if (nd.root.mnt)
path_put(&nd.root);