AlexanderVasiljev commented on a change in pull request #2036:
URL: https://github.com/apache/incubator-nuttx/pull/2036#discussion_r508235008
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File path: drivers/serial/serial.c
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@@ -854,6 +854,16 @@ static ssize_t uart_read(FAR struct file *filep, FAR char
*buffer, size_t buflen
break;
}
+ else if (filep->f_inode == 0)
Review comment:
I think it is not necessary.
The write operation is not susceptible to deadlock. it is just serial, so
low level driver is responsible to send all the data eventually.
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