From: Guennadi Liakhovetski <guennadi.liakhovetski@xxxxxxxxxxxxxxx>
Double negation is often used in the kernel to avoid explicit comparison
to 0. However an "if (!!a == !!b)" test can be trivially reduced to "if
(!a == !b)".
Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@xxxxxxxxxxxxxxx>
---
sound/soc/soc-core.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index aae450ba4f08..8c6b688837de 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1106,8 +1106,8 @@ static int soc_init_dai_link(struct snd_soc_card *card,
* Codec must be specified by 1 of name or OF node,
* not both or neither.
*/
- if (!!codec->name ==
- !!codec->of_node) {
+ if (!codec->name ==
+ !codec->of_node) {
dev_err(card->dev, "ASoC: Neither/both codec name/of_node are set for %s\n",
link->name);
return -EINVAL;
--
2.17.1
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