From e2290daefef3afa08135a0a65d4f0ce7fe23d5c0 Mon Sep 17 00:00:00 2001 From: Pierre-Louis Bossart Date: Fri, 16 Apr 2021 14:11:42 -0500 Subject: [PATCH] ASoC: soc-core: fix always-false condition cppcheck warning: sound/soc/soc-core.c:2784:6: style: Condition '!num_routes' is always false [knownConditionTrueFalse] if (!num_routes) { ^ sound/soc/soc-core.c:2777:17: note: Assuming that condition 'num_routes<0' is not redundant if (num_routes < 0 || num_routes & 1) { ^ sound/soc/soc-core.c:2783:2: note: Compound assignment '/=', assigned value is 0 num_routes /= 2; ^ sound/soc/soc-core.c:2784:6: note: Condition '!num_routes' is always false if (!num_routes) { ^ The documentation for of_property_count_string reads " * Returns the number of strings on * success, -EINVAL if the property does not exist, -ENODATA if property * does not have a value, and -EILSEQ if the string is not null-terminated * within the length of the property data. " Since the case for num_routes == 0 is not possible, let's remove this test. Signed-off-by: Pierre-Louis Bossart Reviewed-by: Daniel Baluta Reviewed-by: Guennadi Liakhovetski Link: https://lore.kernel.org/r/20210416191144.27006-4-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown --- sound/soc/soc-core.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index fb6b3a6194ce..1c0904acb935 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -2785,11 +2785,6 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, return -EINVAL; } num_routes /= 2; - if (!num_routes) { - dev_err(card->dev, "ASoC: Property '%s's length is zero\n", - propname); - return -EINVAL; - } routes = devm_kcalloc(card->dev, num_routes, sizeof(*routes), GFP_KERNEL); -- 2.11.0