[CIFS] Rename server time zone field

Server time zone is not really a time zone, rather a time adjustement
in seconds.

CC: Guenter Kukkukk <linux@kukkukk.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

fs/cifs/cifsfs.c

@@ -465,7 +465,7 @@ static struct super_operations cifs_super_ops = {
 	.umount_begin   = cifs_umount_begin,
 	.remount_fs = cifs_remount,
 #ifdef CONFIG_CIFS_STATS2
-	cifs_show_stats,
+	.cifs_show_stats,
 #endif
 };
 

fs/cifs/cifsglob.h

@@ -153,7 +153,7 @@ struct TCP_Server_Info {
 	char sessid[4];		/* unique token id for this session */
 	/* (returned on Negotiate */
 	int capabilities; /* allow selective disabling of caps by smb sess */
-	__u16 timeZone;
+	__u16 timeAdj;  /* Adjust for difference in server time zone in sec */
 	__u16 CurrentMid;         /* multiplex id - rotating counter */
 	char cryptKey[CIFS_CRYPTO_KEY_SIZE];
 	/* 16th byte of RFC1001 workstation name is always null */

fs/cifs/cifspdu.h

@@ -417,7 +417,10 @@ typedef struct lanman_neg_rsp {
 	__le16 MaxNumberVcs;
 	__le16 RawMode;
 	__le32 SessionKey;
-	__le32 ServerTime;
+	struct {
+		__le16 Time;
+		__le16 Date;
+	} __attribute__((packed)) SrvTime;
 	__le16 ServerTimeZone;
 	__le16 EncryptionKeyLength;
 	__le16 Reserved;

fs/cifs/cifssmb.c

@@ -473,7 +473,6 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
 			server->maxRw = 0;/* we do not need to use raw anyway */
 			server->capabilities = CAP_MPX_MODE;
 		}
-		server->timeZone = le16_to_cpu(rsp->ServerTimeZone);
 		tmp = le16_to_cpu(rsp->ServerTimeZone);
 		if (tmp == (int)0xffff) {
 			/* OS/2 often does not set timezone therefore
@@ -492,11 +491,11 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
 			tmp = (int)(utc.tv_sec - ts.tv_sec);
 			adjust = tmp < 0 ? -29 : 29;
 			tmp = ((tmp + adjust) / 60) * 60;
-			server->timeZone = tmp;
+			server->timeAdj = tmp;
 		} else {
-			server->timeZone = tmp * 60; /* also in seconds */
+			server->timeAdj = tmp * 60; /* also in seconds */
 		}
-		cFYI(1,("server->timeZone: %d seconds", server->timeZone));
+		cFYI(1,("server->timeAdj: %d seconds", server->timeAdj));
 
 
 		/* BB get server time for time conversions and add
@@ -557,7 +556,7 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
 	cFYI(0, ("Max buf = %d", ses->server->maxBuf));
 	GETU32(ses->server->sessid) = le32_to_cpu(pSMBr->SessionKey);
 	server->capabilities = le32_to_cpu(pSMBr->Capabilities);
-	server->timeZone = le16_to_cpu(pSMBr->ServerTimeZone);	
+	server->timeAdj = le16_to_cpu(pSMBr->ServerTimeZone) * 60;	
 	if (pSMBr->EncryptionKeyLength == CIFS_CRYPTO_KEY_SIZE) {
 		memcpy(server->cryptKey, pSMBr->u.EncryptionKey,
 		       CIFS_CRYPTO_KEY_SIZE);

fs/cifs/connect.c

@@ -3320,15 +3320,16 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
 		if(linuxExtEnabled == 0)
 			pSesInfo->capabilities &= (~CAP_UNIX);
 	/*	pSesInfo->sequence_number = 0;*/
-		cFYI(1,("Security Mode: 0x%x Capabilities: 0x%x Time Zone: %d",
+		cFYI(1,("Security Mode: 0x%x Capabilities: 0x%x TimeAdjust: %d",
 			pSesInfo->server->secMode,
 			pSesInfo->server->capabilities,
-			pSesInfo->server->timeZone));
+			pSesInfo->server->timeAdj));
 		if(experimEnabled < 2)
 			rc = CIFS_SessSetup(xid, pSesInfo,
 					    first_time, nls_info);
 		else if (extended_security
-				&& (pSesInfo->capabilities & CAP_EXTENDED_SECURITY)
+				&& (pSesInfo->capabilities 
+					& CAP_EXTENDED_SECURITY)
 				&& (pSesInfo->server->secType == NTLMSSP)) {
 			rc = -EOPNOTSUPP;
 		} else if (extended_security
@@ -3342,7 +3343,7 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
 			if (!rc) {
 				if(ntlmv2_flag) {
 					char * v2_response;
-					cFYI(1,("Can use more secure NTLM version 2 password hash"));
+					cFYI(1,("more secure NTLM ver2 hash"));
 					if(CalcNTLMv2_partial_mac_key(pSesInfo, 
 						nls_info)) {
 						rc = -ENOMEM;