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tools lib traceevent: Use calloc were applicable 

Replacing the equivalent open coded malloc + memset bits.

Reviewed-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/n/tip-598fjtjbzal4wxh7fp0yv0q1@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2012-09-12 15:39:59 -03:00
parent 0dbca1e364
commit 87162d816f
1 changed files with 14 additions and 30 deletions
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44
tools/lib/traceevent/event-parse.c
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@ -117,14 +117,7 @@ void breakpoint(void)
struct print_arg *alloc_arg(void)
{
struct print_arg *arg;
arg = malloc_or_die(sizeof(*arg));
if (!arg)
return NULL;
memset(arg, 0, sizeof(*arg));
return arg;
return calloc(1, sizeof(struct print_arg));
}
struct cmdline {
@ -619,14 +612,7 @@ void pevent_print_printk(struct pevent *pevent)
static struct event_format *alloc_event(void)
{
struct event_format *event;
event = malloc(sizeof(*event));
if (!event)
return NULL;
memset(event, 0, sizeof(*event));
return event;
return calloc(1, sizeof(struct event_format));
}
static void add_event(struct pevent *pevent, struct event_format *event)
@ -1240,8 +1226,10 @@ static int event_read_fields(struct event_format *event, struct format_field **f
last_token = token;
field = malloc_or_die(sizeof(*field));
memset(field, 0, sizeof(*field));
field = calloc(1, sizeof(*field));
if (!field)
goto fail;
field->event = event;
/* read the rest of the type */
@ -2181,8 +2169,9 @@ process_fields(struct event_format *event, struct print_flag_sym **list, char **
if (test_type_token(type, token, EVENT_DELIM, ","))
goto out_free;
field = malloc_or_die(sizeof(*field));
memset(field, 0, sizeof(*field));
field = calloc(1, sizeof(*field));
if (!field)
goto out_free;
value = arg_eval(arg);
if (value == NULL)
@ -5106,12 +5095,11 @@ int pevent_register_print_function(struct pevent *pevent,
remove_func_handler(pevent, name);
}
func_handle = malloc(sizeof(*func_handle));
func_handle = calloc(1, sizeof(*func_handle));
if (!func_handle) {
do_warning("Failed to allocate function handler");
return PEVENT_ERRNO__MEM_ALLOC_FAILED;
}
memset(func_handle, 0, sizeof(*func_handle));
func_handle->ret_type = ret_type;
func_handle->name = strdup(name);
@ -5210,13 +5198,12 @@ int pevent_register_event_handler(struct pevent *pevent,
not_found:
/* Save for later use. */
handle = malloc(sizeof(*handle));
handle = calloc(1, sizeof(*handle));
if (!handle) {
do_warning("Failed to allocate event handler");
return PEVENT_ERRNO__MEM_ALLOC_FAILED;
}
memset(handle, 0, sizeof(*handle));
handle->id = id;
if (event_name)
handle->event_name = strdup(event_name);
@ -5245,13 +5232,10 @@ int pevent_register_event_handler(struct pevent *pevent,
*/
struct pevent *pevent_alloc(void)
{
struct pevent *pevent;
struct pevent *pevent = calloc(1, sizeof(*pevent));
pevent = malloc(sizeof(*pevent));
if (!pevent)
return NULL;
memset(pevent, 0, sizeof(*pevent));
pevent->ref_count = 1;
if (pevent)
pevent->ref_count = 1;
return pevent;
}