Merge tag '6.11-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client fixes from Steve French:

 - DFS fix

 - fix for security flags for requiring encryption

 - minor cleanup

* tag '6.11-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: cifs_inval_name_dfs_link_error: correct the check for fullpath
  Fix spelling errors in Server Message Block
  smb3: fix setting SecurityFlags when encryption is required

Documentation/admin-guide/cifs/usage.rst

@@ -742,7 +742,7 @@ SecurityFlags		Flags which control security negotiation and
 			  may use NTLMSSP               		0x00080
 			  must use NTLMSSP           			0x80080
 			  seal (packet encryption)			0x00040
-			  must seal (not implemented yet)               0x40040
+			  must seal                                     0x40040
 
 cifsFYI			If set to non-zero value, additional debug information
 			will be logged to the system error log.  This field

fs/smb/client/cifs_debug.c

@@ -1072,7 +1072,7 @@ static int cifs_security_flags_proc_open(struct inode *inode, struct file *file)
 static void
 cifs_security_flags_handle_must_flags(unsigned int *flags)
 {
-	unsigned int signflags = *flags & CIFSSEC_MUST_SIGN;
+	unsigned int signflags = *flags & (CIFSSEC_MUST_SIGN | CIFSSEC_MUST_SEAL);
 
 	if ((*flags & CIFSSEC_MUST_KRB5) == CIFSSEC_MUST_KRB5)
 		*flags = CIFSSEC_MUST_KRB5;

fs/smb/client/cifsglob.h

@@ -345,7 +345,7 @@ struct smb_version_operations {
 	/* connect to a server share */
 	int (*tree_connect)(const unsigned int, struct cifs_ses *, const char *,
 			    struct cifs_tcon *, const struct nls_table *);
-	/* close tree connecion */
+	/* close tree connection */
 	int (*tree_disconnect)(const unsigned int, struct cifs_tcon *);
 	/* get DFS referrals */
 	int (*get_dfs_refer)(const unsigned int, struct cifs_ses *,
@@ -816,7 +816,7 @@ struct TCP_Server_Info {
 	 * Protected by @refpath_lock and @srv_lock.  The @refpath_lock is
 	 * mostly used for not requiring a copy of @leaf_fullpath when getting
 	 * cached or new DFS referrals (which might also sleep during I/O).
-	 * While @srv_lock is held for making string and NULL comparions against
+	 * While @srv_lock is held for making string and NULL comparisons against
 	 * both fields as in mount(2) and cache refresh.
 	 *
 	 * format: \\HOST\SHARE[\OPTIONAL PATH]
@@ -1881,7 +1881,7 @@ static inline bool is_replayable_error(int error)
 #define   CIFSSEC_MAY_SIGN	0x00001
 #define   CIFSSEC_MAY_NTLMV2	0x00004
 #define   CIFSSEC_MAY_KRB5	0x00008
-#define   CIFSSEC_MAY_SEAL	0x00040 /* not supported yet */
+#define   CIFSSEC_MAY_SEAL	0x00040
 #define   CIFSSEC_MAY_NTLMSSP	0x00080 /* raw ntlmssp with ntlmv2 */
 
 #define   CIFSSEC_MUST_SIGN	0x01001
@@ -1891,11 +1891,11 @@ require use of the stronger protocol */
 #define   CIFSSEC_MUST_NTLMV2	0x04004
 #define   CIFSSEC_MUST_KRB5	0x08008
 #ifdef CONFIG_CIFS_UPCALL
-#define   CIFSSEC_MASK          0x8F08F /* flags supported if no weak allowed */
+#define   CIFSSEC_MASK          0xCF0CF /* flags supported if no weak allowed */
 #else
-#define	  CIFSSEC_MASK          0x87087 /* flags supported if no weak allowed */
+#define	  CIFSSEC_MASK          0xC70C7 /* flags supported if no weak allowed */
 #endif /* UPCALL */
-#define   CIFSSEC_MUST_SEAL	0x40040 /* not supported yet */
+#define   CIFSSEC_MUST_SEAL	0x40040
 #define   CIFSSEC_MUST_NTLMSSP	0x80080 /* raw ntlmssp with ntlmv2 */
 
 #define   CIFSSEC_DEF (CIFSSEC_MAY_SIGN | CIFSSEC_MAY_NTLMV2 | CIFSSEC_MAY_NTLMSSP | CIFSSEC_MAY_SEAL)

fs/smb/client/misc.c

@@ -352,7 +352,7 @@ checkSMB(char *buf, unsigned int total_read, struct TCP_Server_Info *server)
 				 * on simple responses (wct, bcc both zero)
 				 * in particular have seen this on
 				 * ulogoffX and FindClose. This leaves
-				 * one byte of bcc potentially unitialized
+				 * one byte of bcc potentially uninitialized
 				 */
 				/* zero rest of bcc */
 				tmp[sizeof(struct smb_hdr)+1] = 0;
@@ -1234,6 +1234,7 @@ int cifs_inval_name_dfs_link_error(const unsigned int xid,
 				   const char *full_path,
 				   bool *islink)
 {
+	struct TCP_Server_Info *server = tcon->ses->server;
 	struct cifs_ses *ses = tcon->ses;
 	size_t len;
 	char *path;
@@ -1250,12 +1251,12 @@ int cifs_inval_name_dfs_link_error(const unsigned int xid,
 	    !is_tcon_dfs(tcon))
 		return 0;
 
-	spin_lock(&tcon->tc_lock);
-	if (!tcon->origin_fullpath) {
-		spin_unlock(&tcon->tc_lock);
+	spin_lock(&server->srv_lock);
+	if (!server->leaf_fullpath) {
+		spin_unlock(&server->srv_lock);
 		return 0;
 	}
-	spin_unlock(&tcon->tc_lock);
+	spin_unlock(&server->srv_lock);
 
 	/*
 	 * Slow path - tcon is DFS and @full_path has prefix path, so attempt

fs/smb/client/smb2pdu.c

@@ -82,6 +82,9 @@ int smb3_encryption_required(const struct cifs_tcon *tcon)
 	if (tcon->seal &&
 	    (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION))
 		return 1;
+	if (((global_secflags & CIFSSEC_MUST_SEAL) == CIFSSEC_MUST_SEAL) &&
+	    (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_ENCRYPTION))
+		return 1;
 	return 0;
 }
 

fs/smb/client/smbdirect.c

@@ -406,7 +406,7 @@ static void smbd_post_send_credits(struct work_struct *work)
 			else
 				response = get_empty_queue_buffer(info);
 			if (!response) {
-				/* now switch to emtpy packet queue */
+				/* now switch to empty packet queue */
 				if (use_receive_queue) {
 					use_receive_queue = 0;
 					continue;
@@ -618,7 +618,7 @@ static struct rdma_cm_id *smbd_create_id(
 
 /*
  * Test if FRWR (Fast Registration Work Requests) is supported on the device
- * This implementation requries FRWR on RDMA read/write
+ * This implementation requires FRWR on RDMA read/write
  * return value: true if it is supported
  */
 static bool frwr_is_supported(struct ib_device_attr *attrs)
@@ -2177,7 +2177,7 @@ static int allocate_mr_list(struct smbd_connection *info)
  * MR available in the list. It may access the list while the
  * smbd_mr_recovery_work is recovering the MR list. This doesn't need a lock
  * as they never modify the same places. However, there may be several CPUs
- * issueing I/O trying to get MR at the same time, mr_list_lock is used to
+ * issuing I/O trying to get MR at the same time, mr_list_lock is used to
  * protect this situation.
  */
 static struct smbd_mr *get_mr(struct smbd_connection *info)
@@ -2311,7 +2311,7 @@ struct smbd_mr *smbd_register_mr(struct smbd_connection *info,
 	/*
 	 * There is no need for waiting for complemtion on ib_post_send
 	 * on IB_WR_REG_MR. Hardware enforces a barrier and order of execution
-	 * on the next ib_post_send when we actaully send I/O to remote peer
+	 * on the next ib_post_send when we actually send I/O to remote peer
 	 */
 	rc = ib_post_send(info->id->qp, &reg_wr->wr, NULL);
 	if (!rc)

fs/smb/client/transport.c

@@ -1289,7 +1289,7 @@ compound_send_recv(const unsigned int xid, struct cifs_ses *ses,
 out:
 	/*
 	 * This will dequeue all mids. After this it is important that the
-	 * demultiplex_thread will not process any of these mids any futher.
+	 * demultiplex_thread will not process any of these mids any further.
 	 * This is prevented above by using a noop callback that will not
 	 * wake this thread except for the very last PDU.
 	 */