The newly added ftrace_print_array_seq() function had a bug in it. Luckily,

the only user of it didn't make the 4.1 merge window. But the helper
 function should be fixed before 4.2 when the users start coming in.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQEcBAABAgAGBQJVTBNUAAoJEEjnJuOKh9ld0VQIAJWPLivGbGJyjSqFd1NXLidS
 ytcbM0dquYjvQ94EDxoA+uBm34hk1JbvcI+FgiOihEeyGh7wrhdibEVGT40TzE2I
 XrfTVwPfN5/k2D5MeZzzRkeoTDufc33MgqTURymRQSzkmHf5GttPXxZ/ckO9Hz9A
 XqzXaHcmnauZSmUY12q8rMtbKYP/dN5hUdmR6p44bMgDJehQkmTzJkxbe6t98b+t
 8y3YAcK5HclYITC2lBVHSw5z8e9F/B7UmrNxvNkcV5kqdYg3NnVnA292kSMft5zo
 WRk1nH4eVARq2dmGQ289QpneHqtMx22RU42m/t8M/v0OUANhlPaDb/RHlyDWJF4=
 =4JGY
 -----END PGP SIGNATURE-----

Merge tag 'trace-fixes-v4.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fix from Steven Rostedt:
 "The newly added ftrace_print_array_seq() function had a bug in it.
  Luckily, the only user of it didn't make the 4.1 merge window.

  But the helper function should be fixed before 4.2 when the users
  start coming in"

* tag 'trace-fixes-v4.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing: Make ftrace_print_array_seq compute buf_len

include/linux/ftrace_event.h

@@ -46,7 +46,7 @@ const char *ftrace_print_hex_seq(struct trace_seq *p,
 				 const unsigned char *buf, int len);
 
 const char *ftrace_print_array_seq(struct trace_seq *p,
-				   const void *buf, int buf_len,
+				   const void *buf, int count,
 				   size_t el_size);
 
 struct trace_iterator;

kernel/trace/trace_output.c

@@ -178,12 +178,13 @@ ftrace_print_hex_seq(struct trace_seq *p, const unsigned char *buf, int buf_len)
 EXPORT_SYMBOL(ftrace_print_hex_seq);
 
 const char *
-ftrace_print_array_seq(struct trace_seq *p, const void *buf, int buf_len,
+ftrace_print_array_seq(struct trace_seq *p, const void *buf, int count,
 		       size_t el_size)
 {
 	const char *ret = trace_seq_buffer_ptr(p);
 	const char *prefix = "";
 	void *ptr = (void *)buf;
+	size_t buf_len = count * el_size;
 
 	trace_seq_putc(p, '{');