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authorPaulo Alcantara <palcantara@suse.de>2018-11-14 19:24:03 +0100
committerSteve French <stfrench@microsoft.com>2018-12-28 17:09:46 +0100
commit1c780228e9d47b966983a8bbf475dd45967bf0d5 (patch)
tree1ec77f5ef9f27d859d507b598f03c732576e1915 /fs/cifs/smb1ops.c
parentcifs: minor updates to documentation (diff)
downloadlinux-1c780228e9d47b966983a8bbf475dd45967bf0d5.tar.xz
linux-1c780228e9d47b966983a8bbf475dd45967bf0d5.zip
cifs: Make use of DFS cache to get new DFS referrals
This patch will make use of DFS cache routines where appropriate and do not always request a new referral from server. Signed-off-by: Paulo Alcantara <palcantara@suse.de> Reviewed-by: Aurelien Aptel <aaptel@suse.com> Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/smb1ops.c')
-rw-r--r--fs/cifs/smb1ops.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index 378151e09e91..32a6c020478f 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -929,19 +929,18 @@ cifs_unix_dfs_readlink(const unsigned int xid, struct cifs_tcon *tcon,
{
#ifdef CONFIG_CIFS_DFS_UPCALL
int rc;
- unsigned int num_referrals = 0;
- struct dfs_info3_param *referrals = NULL;
+ struct dfs_info3_param referral = {0};
- rc = get_dfs_path(xid, tcon->ses, searchName, nls_codepage,
- &num_referrals, &referrals, 0);
+ rc = get_dfs_path(xid, tcon->ses, searchName, nls_codepage, &referral,
+ 0);
- if (!rc && num_referrals > 0) {
- *symlinkinfo = kstrndup(referrals->node_name,
- strlen(referrals->node_name),
+ if (!rc) {
+ *symlinkinfo = kstrndup(referral.node_name,
+ strlen(referral.node_name),
GFP_KERNEL);
+ free_dfs_info_param(&referral);
if (!*symlinkinfo)
rc = -ENOMEM;
- free_dfs_info_array(referrals, num_referrals);
}
return rc;
#else /* No DFS support */