[3/5] objtool: Remove superfluous dead_end_function() check

Message ID 5e314b6d68090f3aa32e5e02551e6a8db62d6728.1679932620.git.jpoimboe@kernel.org
State New
Headers
Series objtool: warning improvements |

Commit Message

Josh Poimboeuf March 27, 2023, 4 p.m. UTC
  annotate_call_site() already sets 'insn->dead_end' for calls to dead end
functions.

Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
---
 tools/objtool/check.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
  

Patch

diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index a652b9e5c805..73dd091c0075 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -4140,8 +4140,7 @@  static bool ignore_unreachable_insn(struct objtool_file *file, struct instructio
 	 * It may also insert a UD2 after calling a __noreturn function.
 	 */
 	prev_insn = prev_insn_same_sec(file, insn);
-	if ((prev_insn->dead_end ||
-	     dead_end_function(file, insn_call_dest(prev_insn))) &&
+	if (prev_insn->dead_end &&
 	    (insn->type == INSN_BUG ||
 	     (insn->type == INSN_JUMP_UNCONDITIONAL &&
 	      insn->jump_dest && insn->jump_dest->type == INSN_BUG)))