diff options
| author | bernard.xiong <[email protected]> | 2009-10-24 23:07:55 +0000 |
|---|---|---|
| committer | bernard.xiong <[email protected]> | 2009-10-24 23:07:55 +0000 |
| commit | a7c36ff98ca5ab349a41aaf6efa4403d151106aa (patch) | |
| tree | c9f375aad8b25e576f3be75737ff8f6d1354648b /libcpu/arm | |
| parent | 17c81cfa214c14b9d07d2a8cbda4b145bec9b6f9 (diff) | |
fix rt_serial_read bug when there is no data in the buffer. -- found by [email protected]
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@129 bbd45198-f89e-11dd-88c7-29a3b14d5316
Diffstat (limited to 'libcpu/arm')
| -rw-r--r-- | libcpu/arm/stm32/serial.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libcpu/arm/stm32/serial.c b/libcpu/arm/stm32/serial.c index 66cd85fe98..7d4795a9ad 100644 --- a/libcpu/arm/stm32/serial.c +++ b/libcpu/arm/stm32/serial.c @@ -10,6 +10,8 @@ * Change Logs: * Date Author Notes * 2009-02-05 Bernard first version + * 2009-10-25 Bernard fix rt_serial_read bug when there is no data + * in the buffer. */ #include "serial.h" @@ -198,6 +200,7 @@ static rt_size_t rt_serial_read (rt_device_t dev, rt_off_t pos, void* buffer, rt { /* set error code */ err_code = -RT_EEMPTY; + break; } else { |