scsi: qla2xxx: Fix the return value

A negative error code should be returned.

Link: https://lore.kernel.org/r/20200829075746.19166-1-tian.xianting@h3c.comAcked-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Xianting Tian <tian.xianting@h3c.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla2xxx/qla_target.c

@@ -3781,7 +3781,7 @@ int qlt_abort_cmd(struct qla_tgt_cmd *cmd)
 		    "multiple abort. %p transport_state %x, t_state %x, "
 		    "se_cmd_flags %x\n", cmd, cmd->se_cmd.transport_state,
 		    cmd->se_cmd.t_state, cmd->se_cmd.se_cmd_flags);
-		return EIO;
+		return -EIO;
 	}
 	cmd->aborted = 1;
 	cmd->trc_flags |= TRC_ABORT;