Signed-off-by: Pavel Shilovsky <piastry@xxxxxxxxxxx> --- fs/cifs/cifsglob.h | 6 ++++++ fs/cifs/connect.c | 27 ++++----------------------- fs/cifs/smb1ops.c | 26 ++++++++++++++++++++++++++ 3 files changed, 36 insertions(+), 23 deletions(-) diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 080dd86..7b3e8fe 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -170,6 +170,12 @@ struct smb_version_operations { unsigned int (*read_data_offset)(char *); unsigned int (*read_data_length)(char *); int (*map_error)(char *, bool); + struct mid_q_entry * (*find_mid)(struct TCP_Server_Info *, char *); +#ifdef CONFIG_CIFS_DEBUG2 + void (*dump_detail)(void *); +#endif + int (*check_message)(char *, unsigned int); + bool (*is_oplock_break)(char *, struct TCP_Server_Info *); }; struct smb_version_values { diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 65ec6ef..ce033d7 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -783,25 +783,6 @@ is_smb_response(struct TCP_Server_Info *server, unsigned char type) return false; } -static struct mid_q_entry * -find_mid(struct TCP_Server_Info *server, char *buffer) -{ - struct smb_hdr *buf = (struct smb_hdr *)buffer; - struct mid_q_entry *mid; - - spin_lock(&GlobalMid_Lock); - list_for_each_entry(mid, &server->pending_mid_q, qhead) { - if (mid->mid == buf->Mid && - mid->mid_state == MID_REQUEST_SUBMITTED && - le16_to_cpu(mid->command) == buf->Command) { - spin_unlock(&GlobalMid_Lock); - return mid; - } - } - spin_unlock(&GlobalMid_Lock); - return NULL; -} - void dequeue_mid(struct mid_q_entry *mid, bool malformed) { @@ -986,7 +967,7 @@ standard_receive3(struct TCP_Server_Info *server, struct mid_q_entry *mid) * 48 bytes is enough to display the header and a little bit * into the payload for debugging purposes. */ - length = checkSMB(buf, server->total_read); + length = server->ops->check_message(buf, server->total_read); if (length != 0) cifs_dump_mem("Bad SMB: ", buf, min_t(unsigned int, server->total_read, 48)); @@ -1059,7 +1040,7 @@ cifs_demultiplex_thread(void *p) continue; server->total_read += length; - mid_entry = find_mid(server, buf); + mid_entry = server->ops->find_mid(server, buf); if (!mid_entry || !mid_entry->receive) length = standard_receive3(server, mid_entry); @@ -1076,13 +1057,13 @@ cifs_demultiplex_thread(void *p) if (mid_entry != NULL) { if (!mid_entry->multiRsp || mid_entry->multiEnd) mid_entry->callback(mid_entry); - } else if (!is_valid_oplock_break(buf, server)) { + } else if (!server->ops->is_oplock_break(buf, server)) { cERROR(1, "No task to wake, unknown frame received! " "NumMids %d", atomic_read(&midCount)); cifs_dump_mem("Received Data is: ", buf, HEADER_SIZE(server)); #ifdef CONFIG_CIFS_DEBUG2 - cifs_dump_detail(buf); + server->ops->dump_detail(buf); cifs_dump_mids(server); #endif /* CIFS_DEBUG2 */ diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c index 31a6111..8a0b35b 100644 --- a/fs/cifs/smb1ops.c +++ b/fs/cifs/smb1ops.c @@ -22,6 +22,7 @@ #include "cifs_debug.h" #include "cifspdu.h" #include "cifsproto.h" +#include "cifs_debug.h" /* * An NT cancel request header looks just like the original request except: @@ -82,6 +83,25 @@ cifs_read_data_length(char *buf) le16_to_cpu(rsp->DataLength); } +static struct mid_q_entry * +cifs_find_mid(struct TCP_Server_Info *server, char *buffer) +{ + struct smb_hdr *buf = (struct smb_hdr *)buffer; + struct mid_q_entry *mid; + + spin_lock(&GlobalMid_Lock); + list_for_each_entry(mid, &server->pending_mid_q, qhead) { + if (mid->mid == buf->Mid && + mid->mid_state == MID_REQUEST_SUBMITTED && + le16_to_cpu(mid->command) == buf->Command) { + spin_unlock(&GlobalMid_Lock); + return mid; + } + } + spin_unlock(&GlobalMid_Lock); + return NULL; +} + struct smb_version_operations smb1_operations = { .send_cancel = send_nt_cancel, .compare_fids = cifs_compare_fids, @@ -90,6 +110,12 @@ struct smb_version_operations smb1_operations = { .read_data_offset = cifs_read_data_offset, .read_data_length = cifs_read_data_length, .map_error = map_smb_to_linux_error, + .find_mid = cifs_find_mid, + .check_message = checkSMB, +#ifdef CONFIG_CIFS_DEBUG2 + .dump_detail = cifs_dump_detail, +#endif + .is_oplock_break = is_valid_oplock_break, }; struct smb_version_values smb1_values = { -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html