The seq_escape_mem_ascii() is completely non-flexible and shouldn't be
used.  Replace it with properly called seq_escape_mem().
Link: https://lkml.kernel.org/r/20210504180819.73127-15-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 
 static void seq_quote_mem(struct seq_file *m, char *data, int len)
 {
        seq_printf(m, "\"");
-       seq_escape_mem_ascii(m, data, len);
+       seq_escape_mem(m, data, len, ESCAPE_HEX | ESCAPE_NAP | ESCAPE_APPEND, "\"\\");
        seq_printf(m, "\"");
 }