From: Mike Reed <mdr@sgi.com>
Subject: MPT Fusion doesn't return all sense data
References: bnc#466179

This patch removes an inappropriate sizeof() test which truncated the amount of
sense data returned to the size of a pointer.

Signed-off-by: Mike Reed <mdr@sgi.com>
Signed-off-by: Sathya Prakash <sathya.prakash@lsi.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>

--- a/drivers/message/fusion/mptscsih.c	2009-01-08 12:46:11.000000000 -0600
+++ b/drivers/message/fusion/mptscsih.c	2009-01-13 13:33:16.239522030 -0600
@@ -112,8 +112,6 @@ int 		mptscsih_suspend(struct pci_dev *p
 int 		mptscsih_resume(struct pci_dev *pdev);
 #endif
 
-#define SNS_LEN(scp)	sizeof((scp)->sense_buffer)
-
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /**
  *	mptscsih_getFreeChainBuffer - Function to get a free chain
@@ -2594,7 +2592,11 @@ mptscsih_copy_sense_data(struct scsi_cmn
 		/* Copy the sense received into the scsi command block. */
 		req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
 		sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
-		memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
+
+		if (sense_count > SCSI_SENSE_BUFFERSIZE)
+			sense_count = SCSI_SENSE_BUFFERSIZE;
+
+		memcpy(sc->sense_buffer, sense_data, sense_count);
 
 		/* Log SMART data (asc = 0x5D, non-IM case only) if required.
 		 */