Bug 55981
| Summary: | [PATCH]n_tty: recalc read-exit parameters if icanon changes | ||
|---|---|---|---|
| Product: | Drivers | Reporter: | Stas Sergeev (stsp2) |
| Component: | Serial | Assignee: | Russell King (rmk) |
| Status: | NEW --- | ||
| Severity: | normal | CC: | alan |
| Priority: | P1 | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Kernel Version: | 3.x | Subsystem: | |
| Regression: | No | Bisected commit-id: | |
| Attachments: | the fix | ||
Created attachment 96681 [details] the fix If icanon changes while read() is sleeping, the exit parameters, such as the timeouts and minimum number of chars to read, should be re-calculated. The problem is most prominent when pty master changes termios between writes, while the reader is waiting for data on slave.