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-rw-r--r--c/src/libchip/serial/ns16550.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/c/src/libchip/serial/ns16550.c b/c/src/libchip/serial/ns16550.c
index 2c3bc9496e..801533b631 100644
--- a/c/src/libchip/serial/ns16550.c
+++ b/c/src/libchip/serial/ns16550.c
@@ -532,9 +532,12 @@ int ns16550_set_attributes(
/*
* Calculate the baud rate divisor
+ *
+ * Assert ensures there is no division by 0.
*/
baud_requested = rtems_termios_baud_to_number(t->c_cflag);
+ _Assert( baud_requested != 0 );
ulBaudDivisor = NS16550_GetBaudDivisor(c, baud_requested);
ucLineControl = 0;