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[CIFS] DFS build fixes

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Also includes a few minor changes suggested by Christoph

Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Steve French
2008-01-25 10:12:41 +00:00
parent 6d5ae0deb1
commit 366781c196
6 changed files with 61 additions and 31 deletions
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16
fs/cifs/link.c
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@@ -1,7 +1,7 @@
/*
* fs/cifs/link.c
*
* Copyright (C) International Business Machines Corp., 2002,2003
* Copyright (C) International Business Machines Corp., 2002,2008
* Author(s): Steve French (sfrench@us.ibm.com)
*
* This library is free software; you can redistribute it and/or modify
@@ -236,8 +236,6 @@ cifs_readlink(struct dentry *direntry, char __user *pBuffer, int buflen)
char *full_path = NULL;
char *tmp_path = NULL;
char *tmpbuffer;
unsigned char *referrals = NULL;
unsigned int num_referrals = 0;
int len;
__u16 fid;
@@ -297,8 +295,11 @@ cifs_readlink(struct dentry *direntry, char __user *pBuffer, int buflen)
cFYI(1, ("Error closing junction point "
"(open for ioctl)"));
}
/* BB unwind this long, nested function, or remove BB */
if (rc == -EIO) {
/* Query if DFS Junction */
unsigned int num_referrals = 0;
struct dfs_info3_param *refs = NULL;
tmp_path =
kmalloc(MAX_TREE_SIZE + MAX_PATHCONF + 1,
GFP_KERNEL);
@@ -310,7 +311,7 @@ cifs_readlink(struct dentry *direntry, char __user *pBuffer, int buflen)
rc = get_dfs_path(xid, pTcon->ses,
tmp_path,
cifs_sb->local_nls,
&num_referrals, &referrals,
&num_referrals, &refs,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
cFYI(1, ("Get DFS for %s rc = %d ",
@@ -320,14 +321,13 @@ cifs_readlink(struct dentry *direntry, char __user *pBuffer, int buflen)
else {
cFYI(1, ("num referral: %d",
num_referrals));
if (referrals) {
cFYI(1,("referral string: %s", referrals));
if (refs && refs->path_name) {
strncpy(tmpbuffer,
referrals,
refs->path_name,
len-1);
}
}
kfree(referrals);
kfree(refs);
kfree(tmp_path);
}
/* BB add code like else decode referrals