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Commit fbe601f7 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6 

Pull cifs fixes from Steve French:
 "Various small cifs/smb3 fixes, include some for stable, and some from
  the recent SMB3 test event"

* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
  File names with trailing period or space need special case conversion
  Fix reconnect to not defer smb3 session reconnect long after socket reconnect
  cifs: check hash calculating succeeded
  cifs: dynamic allocation of ntlmssp blob
  cifs: use CIFS_MAX_DOMAINNAME_LEN when converting the domain name
  cifs: stuff the fl_owner into "pid" field in the lock request
parents 5b7452c8 45e8a258

fs/cifs/cifs_unicode.c

+29 −4
Original line number Diff line number Diff line
@@ -101,6 +101,12 @@ convert_sfm_char(const __u16 src_char, char *target) 
	case SFM_SLASH:

		*target = '\\';

		break;

	case SFM_SPACE:

		*target = ' ';

		break;

	case SFM_PERIOD:

		*target = '.';

		break;

	default:

		return false;

	}
@@ -404,7 +410,7 @@ static __le16 convert_to_sfu_char(char src_char) 
	return dest_char;

}



static __le16 convert_to_sfm_char(char src_char)

static __le16 convert_to_sfm_char(char src_char, bool end_of_string)

{

	__le16 dest_char;
@@ -427,6 +433,18 @@ static __le16 convert_to_sfm_char(char src_char) 
	case '|':

		dest_char = cpu_to_le16(SFM_PIPE);

		break;

	case '.':

		if (end_of_string)

			dest_char = cpu_to_le16(SFM_PERIOD);

		else

			dest_char = 0;

		break;

	case ' ':

		if (end_of_string)

			dest_char = cpu_to_le16(SFM_SPACE);

		else

			dest_char = 0;

		break;

	default:

		dest_char = 0;

	}
@@ -469,9 +487,16 @@ cifsConvertToUTF16(__le16 *target, const char *source, int srclen, 
		/* see if we must remap this char */

		if (map_chars == SFU_MAP_UNI_RSVD)

			dst_char = convert_to_sfu_char(src_char);

		else if (map_chars == SFM_MAP_UNI_RSVD)

			dst_char = convert_to_sfm_char(src_char);

		else if (map_chars == SFM_MAP_UNI_RSVD) {

			bool end_of_string;



			if (i == srclen - 1)

				end_of_string = true;

			else

				end_of_string = false;



			dst_char = convert_to_sfm_char(src_char, end_of_string);

		} else

			dst_char = 0;

		/*

		 * FIXME: We can not handle remapping backslash (UNI_SLASH)

fs/cifs/cifs_unicode.h

+2 −0
Original line number Diff line number Diff line
@@ -64,6 +64,8 @@ 
#define SFM_LESSTHAN    ((__u16) 0xF023)

#define SFM_PIPE        ((__u16) 0xF027)

#define SFM_SLASH       ((__u16) 0xF026)

#define SFM_PERIOD	((__u16) 0xF028)

#define SFM_SPACE	((__u16) 0xF029)



/*

 * Mapping mechanism to use when one of the seven reserved characters is

fs/cifs/cifsfs.c

+3 −0
Original line number Diff line number Diff line
@@ -87,6 +87,7 @@ extern mempool_t *cifs_req_poolp; 
extern mempool_t *cifs_mid_poolp;



struct workqueue_struct	*cifsiod_wq;

__u32 cifs_lock_secret;



/*

 * Bumps refcount for cifs super block.
@@ -1266,6 +1267,8 @@ init_cifs(void) 
	spin_lock_init(&cifs_file_list_lock);

	spin_lock_init(&GlobalMid_Lock);



	get_random_bytes(&cifs_lock_secret, sizeof(cifs_lock_secret));



	if (cifs_max_pending < 2) {

		cifs_max_pending = 2;

		cifs_dbg(FYI, "cifs_max_pending set to min of 2\n");

fs/cifs/cifsglob.h

+1 −0
Original line number Diff line number Diff line
@@ -1619,6 +1619,7 @@ void cifs_oplock_break(struct work_struct *work); 


extern const struct slow_work_ops cifs_oplock_break_ops;

extern struct workqueue_struct *cifsiod_wq;

extern __u32 cifs_lock_secret;



extern mempool_t *cifs_mid_poolp;

fs/cifs/connect.c

+3 −1
Original line number Diff line number Diff line
@@ -428,7 +428,9 @@ cifs_echo_request(struct work_struct *work) 
	 * server->ops->need_neg() == true. Also, no need to ping if

	 * we got a response recently.

	 */

	if (!server->ops->need_neg || server->ops->need_neg(server) ||



	if (server->tcpStatus == CifsNeedReconnect ||

	    server->tcpStatus == CifsExiting || server->tcpStatus == CifsNew ||

	    (server->ops->can_echo && !server->ops->can_echo(server)) ||

	    time_before(jiffies, server->lstrp + echo_interval - HZ))

		goto requeue_echo;