[PATCH 1/3] genksyms: make source_file a local variable in lexer

Masahiro Yamada
2021-01-15T23:44:53Z

This is only used in yylex() in lex.l

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---

scripts/genksyms/genksyms.c | 2 +-
scripts/genksyms/genksyms.h | 2 +-
scripts/genksyms/lex.l | 1 +
3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/scripts/genksyms/genksyms.c b/scripts/genksyms/genksyms.c
index 23eff234184f..4827c5abe5b7 100644
--- a/scripts/genksyms/genksyms.c
+++ b/scripts/genksyms/genksyms.c
@@ -29,7 +29,7 @@ static struct symbol *symtab[HASH_BUCKETS];
static FILE *debugfile;

int cur_line = 1;
-char *cur_filename, *source_file;
+char *cur_filename;
int in_source_file;

static int flag_debug, flag_dump_defs, flag_reference, flag_dump_types,
diff --git a/scripts/genksyms/genksyms.h b/scripts/genksyms/genksyms.h
index 2bcdb9bebab4..21ed2ec2d98c 100644
--- a/scripts/genksyms/genksyms.h
+++ b/scripts/genksyms/genksyms.h
@@ -47,7 +47,7 @@ typedef struct string_list **yystype;
#define YYSTYPE yystype

extern int cur_line;
-extern char *cur_filename, *source_file;
+extern char *cur_filename;
extern int in_source_file;

struct symbol *find_symbol(const char *name, enum symbol_type ns, int exact);
diff --git a/scripts/genksyms/lex.l b/scripts/genksyms/lex.l
index ae76472efc43..9e88c100fc28 100644
--- a/scripts/genksyms/lex.l
+++ b/scripts/genksyms/lex.l
@@ -125,6 +125,7 @@ yylex(void)

static int suppress_type_lookup, dont_want_brace_phrase;
static struct string_list *next_node;
+ static char *source_file;

int token, count = 0;
struct string_list *cur_node;
--
2.27.0