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| author | Joel Sherrill <joel@rtems.org> | 2019-03-12 14:33:20 -0500 |
|---|---|---|
| committer | Joel Sherrill <joel@rtems.org> | 2019-03-14 08:21:43 -0500 |
| commit | 90232bcf45ed4d778f3f1c208f09076338cd241f (patch) | |
| tree | 6e630239b5727ee379f1dadef8788c467fdad481 | |
| parent | Remove superfluous <rtems/system.h> includes (diff) | |
| download | rtems-90232bcf45ed4d778f3f1c208f09076338cd241f.tar.bz2 | |
z85c30.c: Do not process 0 baud and return an error (CID 1399713)
| -rw-r--r-- | bsps/shared/dev/serial/z85c30.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/bsps/shared/dev/serial/z85c30.c b/bsps/shared/dev/serial/z85c30.c index 55df9d3451..d1f4a6f455 100644 --- a/bsps/shared/dev/serial/z85c30.c +++ b/bsps/shared/dev/serial/z85c30.c @@ -456,6 +456,15 @@ Z85C30_STATIC int z85c30_set_attributes( baud_number = (uint32_t) rtems_termios_baud_to_number( baud_requested ); _Assert( baud_number != 0 ); + /* + * POSIX says baud rate of zero is a request to hang up or disconnect. + * This is not supported by this driver. + */ + _Assert( baud_number != 0 ); + if (baud_number == 0) { + return -1; + } + ulBaudDivisor = Z85C30_Baud( (uint32_t) Console_Port_Tbl[minor]->ulClock, baud_number |