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Commit 6f8fea5b authored by Phani Kumar Uppalapati's avatar Phani Kumar Uppalapati
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ASoC: wcd9xxx: Fix crash when enable mbhc driver logs 



Fix crash by avoiding NULL pointer access when mbhc driver
logs are enabled.

Change-Id: I2c641c868576a86fef4e261b849297f75888a236
Signed-off-by: default avatarPhani Kumar Uppalapati <phaniu@codeaurora.org>
parent 23fe9299

sound/soc/codecs/wcd9xxx-mbhc.c

+6 −5
Original line number Diff line number Diff line
@@ -3033,13 +3033,14 @@ static void wcd9xxx_get_z(struct wcd9xxx_mbhc *mbhc, s16 *dce_z, s16 *sta_z) 
	change = snd_soc_update_bits(codec, WCD9XXX_A_MAD_ANA_CTRL, 1 << 4,

				     1 << 0);

	usleep_range(1000, 1000 + 1000);

	if (sta_z)

	if (sta_z) {

		*sta_z = wcd9xxx_codec_sta_dce(mbhc, 0, false);

	if (dce_z)

		pr_debug("%s: sta_z 0x%x\n", __func__, *sta_z & 0xFFFF);

	}

	if (dce_z) {

		*dce_z = wcd9xxx_codec_sta_dce(mbhc, 1, false);



	pr_debug("%s: sta_z 0x%x, dce_z 0x%x\n", __func__, *sta_z & 0xFFFF,

		 *dce_z & 0xFFFF);

		pr_debug("%s: dce_z 0x%x\n", __func__, *dce_z & 0xFFFF);

	}



	/* Connect override from micbias */

	if (change)