asoc: sm6150: Fix logic in comparison of sound card name

Use strlen instead of sizeof in strnstr operations
to return the exact size of sound card name.

Change-Id: Id579a41ed79d4443dac7dd2e709784e9dfa186ac
Signed-off-by: Aditya Bavanari <abavanar@codeaurora.org>

asoc/sm6150.c

@@ -8766,8 +8766,8 @@ static int msm_init_aux_dev(struct platform_device *pdev,
 		__func__, found);
 
 codec_aux_dev:
-	if (!strnstr(card->name, "tavil", sizeof("tavil")) &&
-	    !strnstr(card->name, "tasha", sizeof("tasha"))) {
+	if (!strnstr(card->name, "tavil", strlen(card->name)) &&
+	    !strnstr(card->name, "tasha", strlen(card->name))) {
 		/* Get maximum aux codec device count for this platform */
 		ret = of_property_read_u32(pdev->dev.of_node,
 					   "qcom,codec-max-aux-devs",
@@ -9002,8 +9002,8 @@ static int sm6150_ssr_enable(struct device *dev, void *data)
 		goto err;
 	}
 
-	if (strnstr(card->name, "tavil", sizeof("tavil")) ||
-	    strnstr(card->name, "tasha", sizeof("tasha"))) {
+	if (strnstr(card->name, "tavil", strlen(card->name)) ||
+	    strnstr(card->name, "tasha", strlen(card->name))) {
 		pdata = snd_soc_card_get_drvdata(card);
 		if (!pdata->is_afe_config_done) {
 			const char *be_dl_name = LPASS_BE_SLIMBUS_0_RX;
@@ -9053,8 +9053,8 @@ static void sm6150_ssr_disable(struct device *dev, void *data)
 	dev_dbg(dev, "%s: setting snd_card to OFFLINE\n", __func__);
 	snd_soc_card_change_online_state(card, 0);
 
-	if (strnstr(card->name, "tavil", sizeof("tavil")) ||
-	    strnstr(card->name, "tasha", sizeof("tasha"))) {
+	if (strnstr(card->name, "tavil", strlen(card->name)) ||
+	    strnstr(card->name, "tasha", strlen(card->name))) {
 		pdata = snd_soc_card_get_drvdata(card);
 		msm_afe_clear_config();
 		pdata->is_afe_config_done = false;
@@ -9280,8 +9280,8 @@ static int msm_asoc_machine_probe(struct platform_device *pdev)
 	}
 
 	msm_i2s_auxpcm_init(pdev);
-	if (!strnstr(card->name, "tavil", sizeof("tavil")) &&
-	    !strnstr(card->name, "tasha", sizeof("tasha"))) {
+	if (!strnstr(card->name, "tavil", strlen(card->name)) &&
+	    !strnstr(card->name, "tasha", strlen(card->name))) {
 		pdata->dmic01_gpio_p = of_parse_phandle(pdev->dev.of_node,
 						      "qcom,cdc-dmic01-gpios",
 						       0);