asoc: codecs: add null check before access



Add null check before accessing wcd938x private data.

Change-Id: Ia2226202deccccbd07e6c0d501daaded2b7e72d8
Signed-off-by: Vignesh Kulothungan <vigneshk@codeaurora.org>

parent 088ff558

asoc/codecs/wcd938x/wcd938x.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -1355,6 +1355,13 @@ int wcd938x_micbias_control(struct snd_soc_component *component,
		__func__, micb_index);
		return -EINVAL;
		}

		if (NULL == wcd938x) {
		dev_err(component->dev,
		"%s: wcd938x private data is NULL\n", __func__);
		return -EINVAL;
		}

		switch (micb_num) {
		case MIC_BIAS_1:
		micb_reg = WCD938X_ANA_MICB1;