diff options
Diffstat (limited to 'tools/kwboot.c')
| -rw-r--r-- | tools/kwboot.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/tools/kwboot.c b/tools/kwboot.c index 8a421cda4ea..50ae2b4b77b 100644 --- a/tools/kwboot.c +++ b/tools/kwboot.c @@ -182,7 +182,7 @@ kwboot_tty_recv(int fd, void *buf, size_t len, int timeo) } n = read(fd, buf, len); - if (n < 0) + if (n <= 0) goto out; buf = (char *)buf + n; @@ -466,7 +466,7 @@ kwboot_term_pipe(int in, int out, char *quit, int *s) char _buf[128], *buf = _buf; nin = read(in, buf, sizeof(buf)); - if (nin < 0) + if (nin <= 0) return -1; if (quit) { @@ -821,7 +821,7 @@ main(int argc, char **argv) perror("debugmsg"); goto out; } - } else { + } else if (bootmsg) { rc = kwboot_bootmsg(tty, bootmsg); if (rc) { perror("bootmsg"); |