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Fix regression which breaks DFS mounting 

Patch a6b5058 results in -EREMOTE returned by is_path_accessible() in
cifs_mount() to be ignored which breaks DFS mounting.

Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
Sachin Prabhu 2016-09-06 13:22:34 +01:00 committed by Steve French
parent 94f8737175
commit d171356ff1
1 changed files with 8 additions and 6 deletions
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14
fs/cifs/connect.c
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@ -3688,14 +3688,16 @@ cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *volume_info)
goto mount_fail_check; goto mount_fail_check;
} }
rc = cifs_are_all_path_components_accessible(server, if (rc != -EREMOTE) {
rc = cifs_are_all_path_components_accessible(server,
xid, tcon, cifs_sb, xid, tcon, cifs_sb,
full_path); full_path);
if (rc != 0) { if (rc != 0) {
cifs_dbg(VFS, "cannot query dirs between root and final path, " cifs_dbg(VFS, "cannot query dirs between root and final path, "
"enabling CIFS_MOUNT_USE_PREFIX_PATH\n"); "enabling CIFS_MOUNT_USE_PREFIX_PATH\n");
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_USE_PREFIX_PATH; cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_USE_PREFIX_PATH;
rc = 0; rc = 0;
}
} }
kfree(full_path); kfree(full_path);
} }