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Commit b7cc9e62 authored by Yeleswarapu Nagaradhesh's avatar Yeleswarapu Nagaradhesh
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ASoC: audio-ext-clk: check for null pointer de-reference 



As part of clock test, prepare and unprepare functions are
triggered for all the registered clock's. If clock is
is not used in a flavor of target then pinctrl
pointer is not valid. Hence check for pinctrl before accessing.

CRs-Fixed: 1018208
Change-Id: I3afc0d86476f7a447237180fa411858782d3df1b
Signed-off-by: default avatarYeleswarapu Nagaradhesh <nagaradh@codeaurora.org>
parent 7eb20e57

sound/soc/codecs/audio-ext-clk.c

+7 −0
Original line number Diff line number Diff line
@@ -91,6 +91,10 @@ static int audio_ext_clk2_prepare(struct clk *clk) 
	struct pinctrl_info *pnctrl_info = &audio_clk2->pnctrl_info;

	int ret;





	if (!pnctrl_info->pinctrl || !pnctrl_info->active)

		return 0;



	ret = pinctrl_select_state(pnctrl_info->pinctrl,

				   pnctrl_info->active);

	if (ret) {
@@ -115,6 +119,9 @@ static void audio_ext_clk2_unprepare(struct clk *clk) 
	struct pinctrl_info *pnctrl_info = &audio_clk2->pnctrl_info;

	int ret;



	if (!pnctrl_info->pinctrl || !pnctrl_info->sleep)

		return;



	ret = pinctrl_select_state(pnctrl_info->pinctrl,

				   pnctrl_info->sleep);

	if (ret)