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cmd: avoid endless loop in sound play command

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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>
This commit is contained in:
Heinrich Schuchardt 2022-12-31 00:49:10 +01:00
parent 582e3c9fb2
commit 532952f63c
1 changed files with 2 additions and 2 deletions
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4
cmd/sound.c
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@ -48,12 +48,12 @@ static int do_play(struct cmd_tbl *cmdtp, int flag, int argc,
++argv; ++argv;
while (argc || first) { while (argc || first) {
first = false; first = false;
if (argc && *argv[0] != '-') { if (argc) {
msec = dectoul(argv[0], NULL); msec = dectoul(argv[0], NULL);
--argc; --argc;
++argv; ++argv;
} }
if (argc && *argv[0] != '-') { if (argc) {
freq = dectoul(argv[0], NULL); freq = dectoul(argv[0], NULL);
--argc; --argc;
++argv; ++argv;