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>

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index b203a50c0f22794f126ddf4fead75d83235fd238..63d02be5480f10d0723751ba67d5be3be7d3a5e0 100644 (file)
--- 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);