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Commit 712cb1f8 authored by Aravind Kumar's avatar Aravind Kumar
Browse files

ASoC: wcd9xxx: Add check for pointer before dereferencing 



It is possible that irq_find_host returns a null
pointer. The change checks if the pointer is null
before derefenencing it.

Change-Id: I28c430e64a1ab7f507a2d05230039f313eedf034
Signed-off-by: default avatarAravind Kumar <akumark@codeaurora.org>
parent 5f318d6e

drivers/mfd/wcd9xxx-irq.c

+3 −0
Original line number Diff line number Diff line
@@ -596,6 +596,9 @@ wcd9xxx_get_irq_drv_d(const struct wcd9xxx_core_resource *wcd9xxx_res) 
		return NULL;



	domain = irq_find_host(pnode);

	if (unlikely(!domain))

		return NULL;



	return (struct wcd9xxx_irq_drv_data *)domain->host_data;

}