Fix null pointer access in case SUPPORT_LD_DEBUG configuration option is
enabled.

Reported-by: Jean-Michel Hautbois <jeanmichel.hautb...@yoseli.org>
Link: 
https://mailman.openadk.org/mailman3/hyperkitty/list/devel@uclibc-ng.org/thread/ODLJ53XJU5ZG3OLHVJMVWSNBYIFHFBAT/
Signed-off-by: Peter Seiderer <ps.rep...@gmx.net>
---
 ldso/ldso/m68k/elfinterp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ldso/ldso/m68k/elfinterp.c b/ldso/ldso/m68k/elfinterp.c
index 25ea23067..1536bd5b2 100644
--- a/ldso/ldso/m68k/elfinterp.c
+++ b/ldso/ldso/m68k/elfinterp.c
@@ -193,7 +193,7 @@ _dl_do_reloc(struct elf_resolve *tpnt, struct r_scope_elem 
*scope,
 #endif
 
 #if defined (__SUPPORT_LD_DEBUG__)
-       old_val = *reloc_addr;
+       old_val = reloc_addr ? *reloc_addr : 0;
 #endif
 
        switch (reloc_type) {
-- 
2.48.1

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