From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Subject: seq_file: drop unused *_escape_mem_ascii() There are no more users of the seq_escape_mem_ascii() followed by string_escape_mem_ascii(). Remove them for good. Link: https://lkml.kernel.org/r/20210504180819.73127-16-andriy.shevchenko@xxxxxxxxxxxxxxx Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx> Cc: Chuck Lever <chuck.lever@xxxxxxxxxx> Cc: "J. Bruce Fields" <bfields@xxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/seq_file.c | 11 ----------- include/linux/seq_file.h | 1 - include/linux/string_helpers.h | 3 --- lib/string_helpers.c | 19 ------------------- 4 files changed, 34 deletions(-) --- a/fs/seq_file.c~seq_file-drop-unused-_escape_mem_ascii +++ a/fs/seq_file.c @@ -396,17 +396,6 @@ void seq_escape(struct seq_file *m, cons } EXPORT_SYMBOL(seq_escape); -void seq_escape_mem_ascii(struct seq_file *m, const char *src, size_t isz) -{ - char *buf; - size_t size = seq_get_buf(m, &buf); - int ret; - - ret = string_escape_mem_ascii(src, isz, buf, size); - seq_commit(m, ret < size ? ret : -1); -} -EXPORT_SYMBOL(seq_escape_mem_ascii); - void seq_vprintf(struct seq_file *m, const char *f, va_list args) { int len; --- a/include/linux/seq_file.h~seq_file-drop-unused-_escape_mem_ascii +++ a/include/linux/seq_file.h @@ -136,7 +136,6 @@ static inline void seq_escape_str(struct } void seq_escape(struct seq_file *m, const char *s, const char *esc); -void seq_escape_mem_ascii(struct seq_file *m, const char *src, size_t isz); void seq_hex_dump(struct seq_file *m, const char *prefix_str, int prefix_type, int rowsize, int groupsize, const void *buf, size_t len, --- a/include/linux/string_helpers.h~seq_file-drop-unused-_escape_mem_ascii +++ a/include/linux/string_helpers.h @@ -63,9 +63,6 @@ static inline int string_unescape_any_in int string_escape_mem(const char *src, size_t isz, char *dst, size_t osz, unsigned int flags, const char *only); -int string_escape_mem_ascii(const char *src, size_t isz, char *dst, - size_t osz); - static inline int string_escape_mem_any_np(const char *src, size_t isz, char *dst, size_t osz, const char *only) { --- a/lib/string_helpers.c~seq_file-drop-unused-_escape_mem_ascii +++ a/lib/string_helpers.c @@ -582,25 +582,6 @@ int string_escape_mem(const char *src, s } EXPORT_SYMBOL(string_escape_mem); -int string_escape_mem_ascii(const char *src, size_t isz, char *dst, - size_t osz) -{ - char *p = dst; - char *end = p + osz; - - while (isz--) { - unsigned char c = *src++; - - if (!isprint(c) || !isascii(c) || c == '"' || c == '\\') - escape_hex(c, &p, end); - else - escape_passthrough(c, &p, end); - } - - return p - dst; -} -EXPORT_SYMBOL(string_escape_mem_ascii); - /* * Return an allocated string that has been escaped of special characters * and double quotes, making it safe to log in quotes. _