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cifs: change CIFSSMBUnixQuerySymLink to use new helpers

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Change CIFSSMBUnixQuerySymLink to use the new unicode helper functions.
Also change the calling conventions so that the allocation of the target
name buffer is done in CIFSSMBUnixQuerySymLink rather than by the caller.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Suresh Jayaraman <sjayaraman@suse.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Jeff Layton
2009-04-30 07:17:56 -04:00
committed by Steve French
parent 59140797c5
commit 460b96960d
3 changed files with 20 additions and 41 deletions
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22
fs/cifs/link.c
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@@ -119,16 +119,11 @@ cifs_follow_link(struct dentry *direntry, struct nameidata *nd)
full_path = build_path_from_dentry(direntry);
if (!full_path)
goto out_no_free;
goto out;
cFYI(1, ("Full path: %s inode = 0x%p", full_path, inode));
cifs_sb = CIFS_SB(inode->i_sb);
pTcon = cifs_sb->tcon;
target_path = kmalloc(PATH_MAX, GFP_KERNEL);
if (!target_path) {
target_path = ERR_PTR(-ENOMEM);
goto out;
}
/* We could change this to:
if (pTcon->unix_ext)
@@ -138,8 +133,7 @@ cifs_follow_link(struct dentry *direntry, struct nameidata *nd)
if (pTcon->ses->capabilities & CAP_UNIX)
rc = CIFSSMBUnixQuerySymLink(xid, pTcon, full_path,
target_path,
PATH_MAX-1,
&target_path,
cifs_sb->local_nls);
else {
/* BB add read reparse point symlink code here */
@@ -148,22 +142,16 @@ cifs_follow_link(struct dentry *direntry, struct nameidata *nd)
/* BB Add MAC style xsymlink check here if enabled */
}
if (rc == 0) {
/* BB Add special case check for Samba DFS symlinks */
target_path[PATH_MAX-1] = 0;
} else {
if (rc != 0) {
kfree(target_path);
target_path = ERR_PTR(rc);
}
out:
kfree(full_path);
out_no_free:
out:
FreeXid(xid);
nd_set_link(nd, target_path);
return NULL; /* No cookie */
return NULL;
}
int