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2023-12-14 982b8cc116118b3463d3f332581945625722acd8

 kernel/drivers/pinctrl/pinctrl-single.c
.. .. @@ -372,6 +372,8 @@
372 372  	if (!pcs->fmask)
373 373  		return 0;
374 374  	function = pinmux_generic_get_function(pctldev, fselector);
375 +	if (!function)
376 +		return -EINVAL;
375 377  	func = function->data;
376 378  	if (!func)
377 379  		return -EINVAL;

..	..	@@ -372,6 +372,8 @@
372	372	if (!pcs->fmask)
373	373	return 0;
374	374	function = pinmux_generic_get_function(pctldev, fselector);
	375	+ if (!function)
	376	+ return -EINVAL;
375	377	func = function->data;
376	378	if (!func)
377	379	return -EINVAL;