bernard.xiong a7c36ff98c fix rt_serial_read bug when there is no data in the buffer. -- found by freescale@stmsky.com ...

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@129 bbd45198-f89e-11dd-88c7-29a3b14d5316

2009-10-24 23:07:55 +00:00

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arm

fix rt_serial_read bug when there is no data in the buffer. -- found by freescale@stmsky.com

2009-10-24 23:07:55 +00:00

ia32

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