tools lib traceevent: Use local variable 'field'

Use local variable 'field' to reduce typing. It is needed by later patch
not to exceed 80 column.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1340757701-10711-3-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 11 insertions, 8 deletions

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index b203a50c0f22..63d02be5480f 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -3214,6 +3214,7 @@ static void print_str_arg(struct trace_seq *s, void *data, int size,
 {
         struct pevent *pevent = event->pevent;
         struct print_flag_sym *flag;
+        struct format_field *field;
         unsigned long long val, fval;
         unsigned long addr;
         char *str;
@@ -3228,27 +3229,29 @@ static void print_str_arg(struct trace_seq *s, void *data, int size,
                 print_str_to_seq(s, format, len_arg, arg->atom.atom);
                 return;
         case PRINT_FIELD:
-                if (!arg->field.field) {
-                        arg->field.field = pevent_find_any_field(event, arg->field.name);
-                        if (!arg->field.field)
+                field = arg->field.field;
+                if (!field) {
+                        field = pevent_find_any_field(event, arg->field.name);
+                        if (!field)
                                 die("field %s not found", arg->field.name);
+                        arg->field.field = field;
                 }
                 /* Zero sized fields, mean the rest of the data */
-                len = arg->field.field->size ? : size - arg->field.field->offset;
+                len = field->size ? : size - field->offset;
 
                 /*
                  * Some events pass in pointers. If this is not an array
                  * and the size is the same as long_size, assume that it
                  * is a pointer.
                  */
-                if (!(arg->field.field->flags & FIELD_IS_ARRAY) &&
-                    arg->field.field->size == pevent->long_size) {
-                        addr = *(unsigned long *)(data + arg->field.field->offset);
+                if (!(field->flags & FIELD_IS_ARRAY) &&
+                    field->size == pevent->long_size) {
+                        addr = *(unsigned long *)(data + field->offset);
                         trace_seq_printf(s, "%lx", addr);
                         break;
                 }
                 str = malloc_or_die(len + 1);
-                memcpy(str, data + arg->field.field->offset, len);
+                memcpy(str, data + field->offset, len);
                 str[len] = 0;
                 print_str_to_seq(s, format, len_arg, str);
                 free(str);