[PATCH] tools: Remove unnecessary variables

[Lu Hongfei <luhongfei@vivo.com>]

There are several places where warnings variables are not needed,
remove them and directly return 0.

Signed-off-by: Lu Hongfei <luhongfei@vivo.com>
---
 tools/objtool/check.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)
 mode change 100644 => 100755 tools/objtool/check.c

diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 0fcf99c91400..b60af6965c1d
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -3841,7 +3841,7 @@ static int validate_unwind_hints(struct objtool_file *file, struct section *sec)
 static int validate_unret(struct objtool_file *file, struct instruction *insn)
 {
 	struct instruction *next, *dest;
-	int ret, warnings = 0;
+	int ret;
 
 	for (;;) {
 		next = next_insn_to_validate(file, insn);
@@ -3943,7 +3943,7 @@ static int validate_unret(struct objtool_file *file, struct instruction *insn)
 		insn = next;
 	}
 
-	return warnings;
+	return 0;
 }
 
 /*
@@ -4178,7 +4178,6 @@ static int add_prefix_symbols(struct objtool_file *file)
 {
 	struct section *sec;
 	struct symbol *func;
-	int warnings = 0;
 
 	for_each_sec(file, sec) {
 		if (!(sec->sh.sh_flags & SHF_EXECINSTR))
@@ -4192,7 +4191,7 @@ static int add_prefix_symbols(struct objtool_file *file)
 		}
 	}
 
-	return warnings;
+	return 0;
 }
 
 static int validate_symbol(struct objtool_file *file, struct section *sec,
-- 
2.39.0