init/main.c: fix initcall_blacklisted on ia64, ppc64 and parisc64
authorRasmus Villemoes <linux@rasmusvillemoes.dk>
Fri, 24 Jun 2016 21:50:30 +0000 (14:50 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 25 Jun 2016 00:23:52 +0000 (17:23 -0700)
When I replaced kasprintf("%pf") with a direct call to
sprint_symbol_no_offset I must have broken the initcall blacklisting
feature on the arches where dereference_function_descriptor() is
non-trivial.

Fixes: c8cdd2be213f (init/main.c: simplify initcall_blacklisted())
Link: http://lkml.kernel.org/r/1466027283-4065-1-git-send-email-linux@rasmusvillemoes.dk
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Yang Shi <yang.shi@linaro.org>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Petr Mladek <pmladek@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
init/main.c

index 4c17fda5c2ff51c33eb4bf5fbd06a810087c3287..63a5afb54f25c011127b5f74b4f23920b15916ad 100644 (file)
@@ -708,11 +708,13 @@ static bool __init_or_module initcall_blacklisted(initcall_t fn)
 {
        struct blacklist_entry *entry;
        char fn_name[KSYM_SYMBOL_LEN];
+       unsigned long addr;
 
        if (list_empty(&blacklisted_initcalls))
                return false;
 
-       sprint_symbol_no_offset(fn_name, (unsigned long)fn);
+       addr = (unsigned long) dereference_function_descriptor(fn);
+       sprint_symbol_no_offset(fn_name, addr);
 
        list_for_each_entry(entry, &blacklisted_initcalls, next) {
                if (!strcmp(fn_name, entry->buf)) {