diff --git a/fs/vfs/fs_poll.c b/fs/vfs/fs_poll.c index c828890210..55160d7faa 100644 --- a/fs/vfs/fs_poll.c +++ b/fs/vfs/fs_poll.c @@ -401,10 +401,10 @@ int poll(FAR struct pollfd *fds, nfds_t nfds, int timeout) #if (MSEC_PER_TICK * USEC_PER_MSEC) != USEC_PER_TICK && \ defined(CONFIG_HAVE_LONG_LONG) - ticks = ((long long)timeout * USEC_PER_MSEC) + (USEC_PER_TICK - 1) / + ticks = ((unsigned long long)timeout * USEC_PER_MSEC) + (USEC_PER_TICK - 1) / USEC_PER_TICK; #else - ticks = (timeout + (MSEC_PER_TICK - 1)) / MSEC_PER_TICK; + ticks = ((unsigned int)timeout + (MSEC_PER_TICK - 1)) / MSEC_PER_TICK; #endif /* Either wait for either a poll event(s), for a signal to occur,