[PATCH 08/29] modpost: remove get_next_text() and make {grab,release_}file static

Masahiro Yamada
2020-05-17T09:49:37Z

get_next_line() is no longer used. Remove.

grab_file() and release_file() are only used in modpost.c. Make them
static.

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

scripts/mod/modpost.c | 38 ++------------------------------------
scripts/mod/modpost.h | 3 ---
2 files changed, 2 insertions(+), 39 deletions(-)

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 8021f7e93448..cd3cb781a2e7 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -452,7 +452,7 @@ static void sym_set_crc(const char *name, unsigned int crc)
s->crc_valid = 1;
}

-void *grab_file(const char *filename, unsigned long *size)
+static void *grab_file(const char *filename, unsigned long *size)
{
struct stat st;
void *map = MAP_FAILED;
@@ -474,41 +474,7 @@ void *grab_file(const char *filename, unsigned long *size)
return map;
}

-/**
- * Return a copy of the next line in a mmap'ed file.
- * spaces in the beginning of the line is trimmed away.
- * Return a pointer to a static buffer.
- **/
-char *get_next_line(unsigned long *pos, void *file, unsigned long size)
-{
- static char line[4096];
- int skip = 1;
- size_t len = 0;
- signed char *p = (signed char *)file + *pos;
- char *s = line;
-
- for (; *pos < size ; (*pos)++) {
- if (skip && isspace(*p)) {
- p++;
- continue;
- }
- skip = 0;
- if (*p != '\n' && (*pos < size)) {
- len++;
- *s++ = *p++;
- if (len > 4095)
- break; /* Too long, stop */
- } else {
- /* End of string */
- *s = '\0';
- return line;
- }
- }
- /* End of buffer */
- return NULL;
-}
-
-void release_file(void *file, unsigned long size)
+static void release_file(void *file, unsigned long size)
{
munmap(file, size);
}
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index dfadaa0c01ec..232a0e11fcaa 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -192,9 +192,6 @@ void get_src_version(const char *modname, char sum[], unsigned sumlen);
/* from modpost.c */
char *read_text_file(const char *filename);
char *get_line(char **stringp);
-void *grab_file(const char *filename, unsigned long *size);
-char* get_next_line(unsigned long *pos, void *file, unsigned long size);
-void release_file(void *file, unsigned long size);

enum loglevel {
LOG_WARN,
--
2.25.1