[CIFS] log better errors on failed mounts

Also returns more accurate errors to mount for the cases of
account expired and password expired

Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 18 insertions, 10 deletions

diff --git a/fs/cifs/netmisc.c b/fs/cifs/netmisc.c
index 9ae4941cd61d..f06359cb22ee 100644
--- a/fs/cifs/netmisc.c
+++ b/fs/cifs/netmisc.c
@@ -114,10 +114,16 @@ static const struct smb_to_posix_error mapping_table_ERRSRV[] = {
 	{ERRusempx, -EIO},
 	{ERRusestd, -EIO},
 	{ERR_NOTIFY_ENUM_DIR, -ENOBUFS},
-	{ERRaccountexpired, -EACCES},
+	{ERRnoSuchUser, -EACCES},
+/*	{ERRaccountexpired, -EACCES},
 	{ERRbadclient, -EACCES},
 	{ERRbadLogonTime, -EACCES},
-	{ERRpasswordExpired, -EACCES},
+	{ERRpasswordExpired, -EACCES},*/
+	{ERRaccountexpired, -EKEYEXPIRED},
+	{ERRbadclient, -EACCES},
+	{ERRbadLogonTime, -EACCES},
+	{ERRpasswordExpired, -EKEYEXPIRED},
+
 	{ERRnosupport, -EINVAL},
 	{0, 0}
 };
@@ -270,7 +276,7 @@ static const struct {
 	 from NT_STATUS_NO_SUCH_USER to NT_STATUS_LOGON_FAILURE
 	 during the session setup } */
 	{
-	ERRDOS, ERRnoaccess, NT_STATUS_NO_SUCH_USER}, {
+	ERRDOS, ERRnoaccess, NT_STATUS_NO_SUCH_USER}, { /* could map to 2238 */
 	ERRHRD, ERRgeneral, NT_STATUS_GROUP_EXISTS}, {
 	ERRHRD, ERRgeneral, NT_STATUS_NO_SUCH_GROUP}, {
 	ERRHRD, ERRgeneral, NT_STATUS_MEMBER_IN_GROUP}, {
@@ -285,10 +291,10 @@ static const struct {
 	ERRHRD, ERRgeneral, NT_STATUS_PASSWORD_RESTRICTION}, {
 	ERRDOS, ERRnoaccess, NT_STATUS_LOGON_FAILURE}, {
 	ERRHRD, ERRgeneral, NT_STATUS_ACCOUNT_RESTRICTION}, {
-	ERRSRV, 2241, NT_STATUS_INVALID_LOGON_HOURS}, {
-	ERRSRV, 2240, NT_STATUS_INVALID_WORKSTATION}, {
+	ERRSRV, ERRbadLogonTime, NT_STATUS_INVALID_LOGON_HOURS}, {
+	ERRSRV, ERRbadclient, NT_STATUS_INVALID_WORKSTATION}, {
 	ERRSRV, ERRpasswordExpired, NT_STATUS_PASSWORD_EXPIRED}, {
-	ERRSRV, 2239, NT_STATUS_ACCOUNT_DISABLED}, {
+	ERRSRV, ERRaccountexpired, NT_STATUS_ACCOUNT_DISABLED}, {
 	ERRHRD, ERRgeneral, NT_STATUS_NONE_MAPPED}, {
 	ERRHRD, ERRgeneral, NT_STATUS_TOO_MANY_LUIDS_REQUESTED}, {
 	ERRHRD, ERRgeneral, NT_STATUS_LUIDS_EXHAUSTED}, {
@@ -585,7 +591,7 @@ static const struct {
 	ERRDOS, ERRnoaccess, NT_STATUS_TRUST_FAILURE}, {
 	ERRHRD, ERRgeneral, NT_STATUS_MUTANT_LIMIT_EXCEEDED}, {
 	ERRDOS, ERRnetlogonNotStarted, NT_STATUS_NETLOGON_NOT_STARTED}, {
-	ERRSRV, 2239, NT_STATUS_ACCOUNT_EXPIRED}, {
+	ERRSRV, ERRaccountexpired, NT_STATUS_ACCOUNT_EXPIRED}, {
 	ERRHRD, ERRgeneral, NT_STATUS_POSSIBLE_DEADLOCK}, {
 	ERRHRD, ERRgeneral, NT_STATUS_NETWORK_CREDENTIAL_CONFLICT}, {
 	ERRHRD, ERRgeneral, NT_STATUS_REMOTE_SESSION_LIMIT}, {
@@ -754,7 +760,7 @@ ntstatus_to_dos(__u32 ntstatus, __u8 * eclass, __u16 * ecode)
 }
 
 int
-map_smb_to_linux_error(struct smb_hdr *smb)
+map_smb_to_linux_error(struct smb_hdr *smb, int logErr)
 {
 	unsigned int i;
 	int rc = -EIO;	/* if transport error smb error may not be set */
@@ -771,7 +777,9 @@ map_smb_to_linux_error(struct smb_hdr *smb)
 		/* translate the newer STATUS codes to old style SMB errors
 		 * and then to POSIX errors */
 		__u32 err = le32_to_cpu(smb->Status.CifsError);
-		if (cifsFYI & CIFS_RC)
+		if (logErr && (err != (NT_STATUS_MORE_PROCESSING_REQUIRED)))
+			cifs_print_status(err);
+		else if (cifsFYI & CIFS_RC)
 			cifs_print_status(err);
 		ntstatus_to_dos(err, &smberrclass, &smberrcode);
 	} else {
@@ -813,7 +821,7 @@ map_smb_to_linux_error(struct smb_hdr *smb)
 	}
 	/* else ERRHRD class errors or junk  - return EIO */
 
-	cFYI(1, (" !!Mapping smb error code %d to POSIX err %d !!",
+	cFYI(1, ("Mapping smb error code %d to POSIX err %d",
 		 smberrcode, rc));
 
 	/* generic corrective action e.g. reconnect SMB session on