init/main.c: fix initcall_blacklisted on ia64, ppc64 and parisc64

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>

1 files changed, 3 insertions, 1 deletions

diff --git a/init/main.c b/init/main.c
index 4c17fda5c2ff..63a5afb54f25 100644
--- a/init/main.c
+++ b/init/main.c
@@ -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)) {