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Commit 3e8ce320 authored by Andrew Vasquez's avatar Andrew Vasquez Committed by James Bottomley
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[SCSI] qla2xxx: Correct discrepancies during OVERRUN handling on FWI2-capable cards. 



For recent ISPs, software must detect OVERRUN conditions by
checking the SS_RESIDUAL_OVER bit during CS_COMPLETE handling.
Update the driver to perform this check, which is consistent with
what earlier firmwares did by explicitly cracking open the
FCP_RSP statuses and returning an CS_DATA_OVERRUN.

Signed-off-by: default avatarAndrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 7c7f1f29

drivers/scsi/qla2xxx/qla_isr.c

+5 −0
Original line number Diff line number Diff line
@@ -958,6 +958,11 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt) 
		}

	}



	/* Check for overrun. */

	if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&

	    scsi_status & SS_RESIDUAL_OVER)

		comp_status = CS_DATA_OVERRUN;



	/*

	 * Based on Host and scsi status generate status code for Linux

	 */