calypso/uart.c: Fix array bounds checking

Found by Smatch:
calypso/uart.c +433 uart_baudrate(7) error: buffer overflow 'divider' 7 <= 7

diff --git a/src/target/firmware/calypso/uart.c b/src/target/firmware/calypso/uart.c
index d3ede4d..bcb56bd 100644 (file)
--- a/src/target/firmware/calypso/uart.c
+++ b/src/target/firmware/calypso/uart.c
@@ -427,7 +427,7 @@ int uart_baudrate(uint8_t uart, enum uart_baudrate bdrt)
 {
        uint16_t div;
 
 {
        uint16_t div;
 

-       if (bdrt > ARRAY_SIZE(divider))
+       if (bdrt >= ARRAY_SIZE(divider))

                return -1;
 
        div = divider[bdrt];
                return -1;
 
        div = divider[bdrt];