From: Andi Kleen <ak@linux.intel.com>
Date: Tue, 12 Nov 2013 23:08:38 +0000 (-0800)
Subject: scripts/mod/modpost.c: handle non ABS crc symbols
X-Git-Tag: accepted/tizen/common/20141203.182822~1142^2~176
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b5064654c538ad9a2eb1195d80e7593b2e1c1452;p=platform%2Fkernel%2Flinux-arm64.git

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: Andi 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: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 8247979..bfcea5d 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -599,18 +599,17 @@ static void handle_modversions(struct module *mod, struct elf_info *info,
 	else
 		export = export_from_sec(info, get_secindex(info, sym));
 
+	/* 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_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);
-		}
-		break;
 	case SHN_UNDEF:
 		/* undefined symbol */
 		if (ELF_ST_BIND(sym->st_info) != STB_GLOBAL &&