diff options
Diffstat (limited to 'scripts/kwboot.c')
| -rw-r--r-- | scripts/kwboot.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/scripts/kwboot.c b/scripts/kwboot.c index 60e8a69d18..2a4f6bc5fc 100644 --- a/scripts/kwboot.c +++ b/scripts/kwboot.c @@ -22,6 +22,7 @@ #include <termios.h> #include <sys/mman.h> #include <sys/stat.h> +#include <sys/select.h> /* * Marvell BootROM UART Sensing @@ -147,12 +148,11 @@ kwboot_tty_recv(int fd, void *buf, size_t len, int timeo) FD_ZERO(&rfds); FD_SET(fd, &rfds); - tv.tv_sec = 0; tv.tv_usec = timeo * 1000; - if (tv.tv_usec > 1000000) { - tv.tv_sec += tv.tv_usec / 1000000; - tv.tv_usec %= 1000000; - } + + /* normalize timeval */ + tv.tv_sec = tv.tv_usec / 1000000; + tv.tv_usec %= 1000000; do { nfds = select(fd + 1, &rfds, NULL, NULL, &tv); |