From: Petr Machata <pmachata@redhat.com>
Date: Wed, 18 Feb 2009 14:27:56 +0000 (+0100)
Subject: Fix operation of reloc functions when relocation data are absent
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1a2185f4b1e64d5fb009959c3d29a48322a5c59c;p=thirdparty%2Felfutils.git

Fix operation of reloc functions when relocation data are absent
---

diff --git a/src/dwarflint.c b/src/dwarflint.c
index 6952c90aa..87100fce9 100644
--- a/src/dwarflint.c
+++ b/src/dwarflint.c
@@ -2286,7 +2286,7 @@ relocation_next (struct relocation_data *reloc, uint64_t offset,
 		 GElf_Rela *rela_mem, struct where *where,
 		 enum skip_type st)
 {
-  if (reloc == NULL)
+  if (reloc == NULL || reloc->data == NULL)
     return NULL;
 
   while (reloc->index < reloc->count)
@@ -2336,6 +2336,9 @@ static void
 relocation_skip (struct relocation_data *reloc, uint64_t offset,
 		 struct where *where, enum skip_type st)
 {
+  if (reloc == NULL || reloc->data == NULL)
+    return;
+
   GElf_Rela rela_mem;
   relocation_next (reloc, offset - 1, &rela_mem, where, st);
 }
@@ -2344,6 +2347,9 @@ relocation_skip (struct relocation_data *reloc, uint64_t offset,
 static void
 relocation_skip_rest (struct relocation_data *reloc, enum section_id sec)
 {
+  if (reloc == NULL || reloc->data == NULL)
+    return;
+
   GElf_Rela rela_mem;
   relocation_next (reloc, (uint64_t)-1, &rela_mem,
 		   &WHERE (sec, NULL), skip_mismatched);