kbuild: whitelist logo references from .text to .init.data (5a4910fb) · Commits · 戴 / test

scripts/mod/modpost.c

+15 −0

Original line number	Diff line number	Diff line
		@@ -616,6 +616,15 @@ static int strrcmp(const char s, const char sub)
		* fromsec = .text
		* atsym = kernel_init
		* Some symbols belong to init section but still it is ok to reference
		*
		* Pattern 7:
		* Logos used in drivers/video/logo reside in __initdata but the
		* funtion that references them are EXPORT_SYMBOL() so cannot be
		* marker __init. So we whitelist them here.
		* The pattern is:
		* tosec = .init.data
		* fromsec = .text*
		* refsymname = logo_
		**/
		static int secref_whitelist(const char modname, const char tosec,
		const char fromsec, const char atsym,
		@@ -687,6 +696,12 @@ static int secref_whitelist(const char modname, const char tosec,
		(strcmp(fromsec, ".text") == 0) &&
		(strcmp(refsymname, "kernel_init") == 0))
		return 1;

		/* Check for pattern 7 */
		if ((strcmp(tosec, ".init.data") == 0) &&
		(strncmp(fromsec, ".text", strlen(".text")) == 0) &&
		(strncmp(refsymname, "logo_", strlen("logo_")) == 0))
		return 1;
		return 0;
		}