uart: fix return value of send functions
authorOlivier Matz <zer0@droids-corp.org>
Tue, 6 Aug 2013 19:57:03 +0000 (21:57 +0200)
committerOlivier Matz <zer0@droids-corp.org>
Thu, 8 Aug 2013 17:59:13 +0000 (19:59 +0200)
commit285a175d79067bc8ac09583169f8d6befd69fe14
treec3045d7cae39b3107badadbcaf5b07b9bdfee9d1
parent172a3ee956f1be2cacf7db0e1a5051daadd70d3c
uart: fix return value of send functions

the return value is 0 on success
modules/comm/uart/uart_send.c
modules/comm/uart/uart_send9.c
modules/comm/uart/uart_send9_nowait.c
modules/comm/uart/uart_send_nowait.c