[PATCH 5.11 380/775] objtool: Fix error handling for STD/CLD warnings

[Greg Kroah-Hartman]

From: Josh Poimboeuf <jpoim...@redhat.com>

[ Upstream commit 6f567c9300a5ebd7b18c26dda1c8d6ffbdd0debd ]

Actually return an error (and display a backtrace, if requested) for
directional bit warnings.

Fixes: 2f0f9e9ad7b3 ("objtool: Add Direction Flag validation")
Signed-off-by: Josh Poimboeuf <jpoim...@redhat.com>
Link: 
https://lore.kernel.org/r/dc70f2adbc72f09526f7cab5b6feb8bf7f6c5ad4.1611263461.git.jpoim...@redhat.com
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 tools/objtool/check.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 4bd30315eb62b..2e154f00ccec2 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -2592,15 +2592,19 @@ static int validate_branch(struct objtool_file *file, 
struct symbol *func,
                        break;
 
                case INSN_STD:
-                       if (state.df)
+                       if (state.df) {
                                WARN_FUNC("recursive STD", sec, insn->offset);
+                               return 1;
+                       }
 
                        state.df = true;
                        break;
 
                case INSN_CLD:
-                       if (!state.df && func)
+                       if (!state.df && func) {
                                WARN_FUNC("redundant CLD", sec, insn->offset);
+                               return 1;
+                       }
 
                        state.df = false;
                        break;
-- 
2.27.0