Commit-ID: d8e56c98b7ef96a31a64c69df24ab5d80f90e055
Gitweb: http://git.kernel.org/tip/d8e56c98b7ef96a31a64c69df24ab5d80f90e055
Author: Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Tue, 3 Dec 2013 14:09:40 +0100
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 4 Dec 2013 15:37:58 -0300
tools lib traceevent: Remove malloc_or_die from plugin_function.c
Removing malloc_or_die calls from plugin_function.c, replacing them and
factoring the code with standard realloc and error path.
Suggested-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Corey Ashford <cjashfor@xxxxxxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1386076182-14484-27-git-send-email-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/lib/traceevent/plugin_function.c | 29 ++++++++++++++++++++---------
1 file changed, 20 insertions(+), 9 deletions(-)
diff --git a/tools/lib/traceevent/plugin_function.c b/tools/lib/traceevent/plugin_function.c
index 87acf9c..aad92ad 100644
--- a/tools/lib/traceevent/plugin_function.c
+++ b/tools/lib/traceevent/plugin_function.c
@@ -43,11 +43,17 @@ static void add_child(struct func_stack *stack, const char *child, int pos)
if (pos < stack->size)
free(stack->stack[pos]);
else {
- if (!stack->stack)
- stack->stack = malloc_or_die(sizeof(char *) * STK_BLK);
- else
- stack->stack = realloc(stack->stack, sizeof(char *) *
- (stack->size + STK_BLK));
+ char **ptr;
+
+ ptr = realloc(stack->stack, sizeof(char *) *
+ (stack->size + STK_BLK));
+ if (!ptr) {
+ warning("could not allocate plugin memory\n");
+ return;
+ }
+
+ stack->stack = ptr;
+
for (i = stack->size; i < stack->size + STK_BLK; i++)
stack->stack[i] = NULL;
stack->size += STK_BLK;
@@ -64,10 +70,15 @@ static int add_and_get_index(const char *parent, const char *child, int cpu)
return 0;
if (cpu > cpus) {
- if (fstack)
- fstack = realloc(fstack, sizeof(*fstack) * (cpu + 1));
- else
- fstack = malloc_or_die(sizeof(*fstack) * (cpu + 1));
+ struct func_stack *ptr;
+
+ ptr = realloc(fstack, sizeof(*fstack) * (cpu + 1));
+ if (!ptr) {
+ warning("could not allocate plugin memory\n");
+ return 0;
+ }
+
+ fstack = ptr;
/* Account for holes in the cpu count */
for (i = cpus + 1; i <= cpu; i++)
--
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