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tools lib traceevent: Fix missed freeing of subargs in free_arg() in filter

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Some of args were missed in free_args(), as well as subargs.

That is args like FILTER_ARG_NUM have left and right pointers to other
args that also need to be freed.

Signed-off-by: Steven Rostedt <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Namhyung Kim <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Steven Rostedt 2012-10-01 20:23:28 -04:00 • committed by Arnaldo Carvalho de Melo
commit 743df75ff1
1 changed files with 15 additions and 0 deletions
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15
tools/lib/traceevent/parse-filter.c
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@ -209,7 +209,16 @@ static void free_arg(struct filter_arg *arg)
switch (arg->type) {
case FILTER_ARG_NONE:
case FILTER_ARG_BOOLEAN:
break;
case FILTER_ARG_NUM:
free_arg(arg->num.left);
free_arg(arg->num.right);
break;
case FILTER_ARG_EXP:
free_arg(arg->exp.left);
free_arg(arg->exp.right);
break;
case FILTER_ARG_STR:
@ -218,6 +227,12 @@ static void free_arg(struct filter_arg *arg)
free(arg->str.buffer);
break;
case FILTER_ARG_VALUE:
if (arg->value.type == FILTER_STRING ||
arg->value.type == FILTER_CHAR)
free(arg->value.str);
break;
case FILTER_ARG_OP:
free_arg(arg->op.left);
free_arg(arg->op.right);