cmd: avoid endless loop in sound play command
A parameter starting with a hyphen leads to an endless loop in the sound
play command.
Leave it to dectoul() to handle the hyphen. It will return 0 for a negative
number.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/cmd/sound.c b/cmd/sound.c
index cef71be..0b7f959 100644
--- a/cmd/sound.c
+++ b/cmd/sound.c
@@ -48,12 +48,12 @@
++argv;
while (argc || first) {
first = false;
- if (argc && *argv[0] != '-') {
+ if (argc) {
msec = dectoul(argv[0], NULL);
--argc;
++argv;
}
- if (argc && *argv[0] != '-') {
+ if (argc) {
freq = dectoul(argv[0], NULL);
--argc;
++argv;