serial interrupt problem

PIE1bits.RC1IE = 1;
 INTCON |= 0xC0;         // Set GIE, PEIE

#pragma interrupt InterruptHandlerHigh

void  InterruptHandlerHigh ()
{
   if(PIR1bits.RC1IF)                // if a RX interrupt occured
   {	
	PIE1bits.RC1IE = 0;         // Disable serial interrupt for manual reading  (optional , you can go with complete INT based reading)
                 
	*uart_buf = 	RCREG1;     // Read first byte (pointing to an array)
	while((*uart_buf!=0x0D))       // Read data untill 'enter' key is pressed  (this is in my case & you can use any other option)
	{
		 uart_buf++;
		 while(!USART1_DataRdy());
		 *uart_buf = USART1_Read();
	}
	
         *uart_buf = '\0';		// Write null at the end of the string
	
	PIE1bits.RC1IE = 1;     // Enable serial interrupt
	}