tracing, RAS: Cleanup on __get_str() usage

__get_str(msg) does not need (char *) operator overloading to access
mgs's elements anymore. This patch substitutes
((char *)__get_str(msg))[0] usage to __get_str(msg)[0].

It is just a code cleanup, no changes on tracepoint ABI.

Link: http://lkml.kernel.org/r/6f2db5be7705da2cb483923320c91283d7c712a7.1467407618.git.bristot@redhat.com

Cc: Trond Myklebust <trond.myklebust@primarydata.com>
Cc: Anna Schumaker <anna.schumaker@netapp.com>
Cc: Ingo Molnar <mingo@redhat.com>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Daniel Bristot de Oliveira <bristot@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/include/ras/ras_event.h b/include/ras/ras_event.h
index 1443d79e4fe6..1791a12cfa85 100644
--- a/include/ras/ras_event.h
+++ b/include/ras/ras_event.h
@@ -147,7 +147,7 @@ TRACE_EVENT(mc_event,
                   __entry->error_count,
                   mc_event_error_type(__entry->error_type),
                   __entry->error_count > 1 ? "s" : "",
-                  ((char *)__get_str(msg))[0] ? " " : "",
+                  __get_str(msg)[0] ? " " : "",
                   __get_str(msg),
                   __get_str(label),
                   __entry->mc_index,
@@ -157,7 +157,7 @@ TRACE_EVENT(mc_event,
                   __entry->address,
                   1 << __entry->grain_bits,
                   __entry->syndrome,
-                  ((char *)__get_str(driver_detail))[0] ? " " : "",
+                  __get_str(driver_detail)[0] ? " " : "",
                   __get_str(driver_detail))
 );