From: Mengdong Lin mengdong.lin@linux.intel.com
Fix gcc warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]
The ABI object channel->id is _le32 and is converted to host unsigned integer. It cannot be < 0.
Signed-off-by: Mengdong Lin mengdong.lin@linux.intel.com
diff --git a/src/topology/channel.c b/src/topology/channel.c index 9bc5d5a..c2f1fea 100644 --- a/src/topology/channel.c +++ b/src/topology/channel.c @@ -80,6 +80,7 @@ int tplg_parse_channel(snd_tplg_t *tplg, snd_config_t *n; struct snd_soc_tplg_channel *channel = private; const char *id, *value; + int channel_id;
if (tplg->channel_idx >= SND_SOC_TPLG_MAX_CHAN) return -EINVAL; @@ -88,12 +89,13 @@ int tplg_parse_channel(snd_tplg_t *tplg, snd_config_get_id(cfg, &id); tplg_dbg("\tChannel %s at index %d\n", id, tplg->channel_idx);
- channel->id = lookup_channel(id); - if (channel->id < 0) { + channel_id = lookup_channel(id); + if (channel_id < 0) { SNDERR("error: invalid channel %s\n", id); return -EINVAL; }
+ channel->id = channel_id; channel->size = sizeof(*channel); tplg_dbg("\tChan %s = %d\n", id, channel->id);