From: Josh Poimboeuf <jpoimboe@kernel.org>
Date: Fri, 14 Mar 2025 19:29:00 +0000 (-0700)
Subject: objtool: Fix error handling inconsistencies in check()
X-Git-Tag: v6.15-rc1~219^2~13
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=b745962cb97569aad026806bb0740663cf813147;p=linux.git

objtool: Fix error handling inconsistencies in check()

Make sure all fatal errors are funneled through the 'out' label with a
negative ret.

Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Brendan Jackman <jackmanb@google.com>
Link: https://lore.kernel.org/r/0f49d6a27a080b4012e84e6df1e23097f44cc082.1741975349.git.jpoimboe@kernel.org
---

diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 12bf6c1f5071..e68a89efc5fe 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -4605,8 +4605,10 @@ int check(struct objtool_file *file)
 	init_cfi_state(&force_undefined_cfi);
 	force_undefined_cfi.force_undefined = true;
 
-	if (!cfi_hash_alloc(1UL << (file->elf->symbol_bits - 3)))
+	if (!cfi_hash_alloc(1UL << (file->elf->symbol_bits - 3))) {
+		ret = -1;
 		goto out;
+	}
 
 	cfi_hash_add(&init_cfi);
 	cfi_hash_add(&func_cfi);
@@ -4623,7 +4625,7 @@ int check(struct objtool_file *file)
 	if (opts.retpoline) {
 		ret = validate_retpoline(file);
 		if (ret < 0)
-			return ret;
+			goto out;
 		warnings += ret;
 	}
 
@@ -4659,7 +4661,7 @@ int check(struct objtool_file *file)
 		 */
 		ret = validate_unrets(file);
 		if (ret < 0)
-			return ret;
+			goto out;
 		warnings += ret;
 	}
 
@@ -4722,7 +4724,7 @@ int check(struct objtool_file *file)
 	if (opts.prefix) {
 		ret = add_prefix_symbols(file);
 		if (ret < 0)
-			return ret;
+			goto out;
 		warnings += ret;
 	}