Fnic: Memcopy only mimumum of data or trace buffer

In case of receive path, we do not have eth header or fcoe header available
when we take a trace so we fill the fc trace buffer with 0xff for both
values. We copy only mimimum of received data or trace buffer size -
fc header - eth and fcoe header

- Increment fnic version from 1.6.0.12 to 1.6.0.13
Signed-off-by: NHiral Shah <hishah@cisco.com>
Signed-off-by: NSesidhar Baddela <sebaddel@cisco.com>
Signed-off-by: NAnil Chintalapati <achintal@cisco.com>
Signed-off-by: NChristoph Hellwig <hch@lst.de>

drivers/scsi/fnic/fnic.h

@@ -39,7 +39,7 @@
 
 #define DRV_NAME		"fnic"
 #define DRV_DESCRIPTION		"Cisco FCoE HBA Driver"
-#define DRV_VERSION		"1.6.0.12"
+#define DRV_VERSION		"1.6.0.13"
 #define PFX			DRV_NAME ": "
 #define DFX                     DRV_NAME "%d: "
 

drivers/scsi/fnic/fnic_trace.c

@@ -624,12 +624,12 @@ int fnic_fc_trace_set_data(u32 host_no, u8 frame_type,
 	if (frame_type == FNIC_FC_RECV) {
 		eth_fcoe_hdr_len = sizeof(struct ethhdr) +
 					sizeof(struct fcoe_hdr);
-		fc_trc_frame_len = fc_trc_frame_len + eth_fcoe_hdr_len;
 		memset((char *)fc_trace, 0xff, eth_fcoe_hdr_len);
 		/* Copy the rest of data frame */
 		memcpy((char *)(fc_trace + eth_fcoe_hdr_len), (void *)frame,
 		min_t(u8, fc_trc_frame_len,
-			(u8)(FC_TRC_SIZE_BYTES - FC_TRC_HEADER_SIZE)));
+			(u8)(FC_TRC_SIZE_BYTES - FC_TRC_HEADER_SIZE
+						- eth_fcoe_hdr_len)));
 	} else {
 		memcpy((char *)fc_trace, (void *)frame,
 		min_t(u8, fc_trc_frame_len,