From: Christophe Leroy <christophe.le...@csgroup.eu>

find_insn() will return NULL in case of failure. Check insn in order
to avoid a kernel Oops for NULL pointer dereference.

Acked-by: Peter Zijlstra (Intel) <pet...@infradead.org>
Signed-off-by: Christophe Leroy <christophe.le...@csgroup.eu>
---
 tools/objtool/check.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index e55fdf952a3a..fe935f19447b 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -207,7 +207,7 @@ static bool __dead_end_function(struct objtool_file *file, 
struct symbol *func,
                return false;
 
        insn = find_insn(file, func->sec, func->offset);
-       if (!insn->func)
+       if (!insn || !insn->func)
                return false;
 
        func_for_each_insn(file, func, insn) {
-- 
2.31.1

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