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Commit b5064654 authored by Andi Kleen's avatar Andi Kleen Committed by Linus Torvalds
Browse files

scripts/mod/modpost.c: handle non ABS crc symbols 



For some reason I managed to trick gcc into create CRC symbols that are
not absolute anymore, but weak.

Make modpost handle this case.

Signed-off-by: default avatarAndi Kleen <ak@linux.intel.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 83460ec8

scripts/mod/modpost.c

+7 −8
Original line number Diff line number Diff line
@@ -599,17 +599,16 @@ static void handle_modversions(struct module *mod, struct elf_info *info, 
	else

		export = export_from_sec(info, get_secindex(info, sym));



	switch (sym->st_shndx) {

	case SHN_COMMON:

		warn("\"%s\" [%s] is COMMON symbol\n", symname, mod->name);

		break;

	case SHN_ABS:

	/* CRC'd symbol */

	if (strncmp(symname, CRC_PFX, strlen(CRC_PFX)) == 0) {

		crc = (unsigned int) sym->st_value;

		sym_update_crc(symname + strlen(CRC_PFX), mod, crc,

				export);

	}



	switch (sym->st_shndx) {

	case SHN_COMMON:

		warn("\"%s\" [%s] is COMMON symbol\n", symname, mod->name);

		break;

	case SHN_UNDEF:

		/* undefined symbol */