> + /* check the 'N' bit in word 0 of the FIS */ > + if (f[0] & (1 << 15)) { > + int port_addr = ((f[0] & 0x00000f00) >> 8); > + struct ata_device *adev = &ap->device[port_addr]; You can't be sure that the port_addr returned will be in range if a device is malfunctioning... - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html