On Mon, 17 Sep 2012 17:50:47 -0300, Arnaldo Carvalho de Melo wrote:
> From: Arnaldo Carvalho de Melo <[email protected]>
>
> Replacing the equivalent open coded malloc + memset bits.
>
> Cc: David Ahern <[email protected]>
> Cc: Frederic Weisbecker <[email protected]>
> Cc: Jiri Olsa <[email protected]>
> Cc: Mike Galbraith <[email protected]>
> Cc: Namhyung Kim <[email protected]>
> Cc: Paul Mackerras <[email protected]>
> Cc: Peter Zijlstra <[email protected]>
> Cc: Stephane Eranian <[email protected]>
> Cc: Steven Rostedt <[email protected]>
> Link: http://lkml.kernel.org/n/[email protected]
> Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
> ---
>  tools/lib/traceevent/event-parse.c |   44 
> ++++++++++++------------------------
>  1 file changed, 14 insertions(+), 30 deletions(-)
>
> diff --git a/tools/lib/traceevent/event-parse.c 
> b/tools/lib/traceevent/event-parse.c
> index 278f989..5e38d2f 100644
> --- a/tools/lib/traceevent/event-parse.c
> +++ b/tools/lib/traceevent/event-parse.c
> @@ -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));
>  }

This requires every callsite of the function should handle allocation
failure.

Thanks,
Namhyung
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