smsc_at2 module doesnot detect failed writes to modem.

[Oded Arbel]

well it doesn't - I can prove it :-)

at2_write_line_cstr always return 0 no matter what happens. 
what do you say about this patch ?

Oded Arbel
m-Wise ltd.

smsc_at2.patch
Description: smsc_at2.patch