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perf tools: Catch a few uncheck calloc/malloc's

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There were a few stray calloc()'s and malloc()'s which were not having
their return values checked for success.

As the calling code either already coped with failure or didn't actually
care we just return -ENOMEM at that point.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Chris Samuel <chris@csamuel.org>
LKML-Reference: <4CDDF95A.1050400@csamuel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Chris Samuel 2010-11-13 13:35:06 +11:00 committed by Arnaldo Carvalho de Melo
parent 965bb6beaf
commit ce47dc56a2
5 changed files with 15 additions and 0 deletions
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3
tools/perf/builtin-kmem.c
View File

@ -736,6 +736,9 @@ static int __cmd_record(int argc, const char **argv)
rec_argc = ARRAY_SIZE(record_args) + argc - 1;
rec_argv = calloc(rec_argc + 1, sizeof(char *));
if (rec_argv == NULL)
return -ENOMEM;
for (i = 0; i < ARRAY_SIZE(record_args); i++)
rec_argv[i] = strdup(record_args[i]);

3
tools/perf/builtin-lock.c
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@ -943,6 +943,9 @@ static int __cmd_record(int argc, const char **argv)
rec_argc = ARRAY_SIZE(record_args) + argc - 1;
rec_argv = calloc(rec_argc + 1, sizeof(char *));
if (rec_argv == NULL)
return -ENOMEM;
for (i = 0; i < ARRAY_SIZE(record_args); i++)
rec_argv[i] = strdup(record_args[i]);

3
tools/perf/builtin-sched.c
View File

@ -1860,6 +1860,9 @@ static int __cmd_record(int argc, const char **argv)
rec_argc = ARRAY_SIZE(record_args) + argc - 1;
rec_argv = calloc(rec_argc + 1, sizeof(char *));
if (rec_argv)
return -ENOMEM;
for (i = 0; i < ARRAY_SIZE(record_args); i++)
rec_argv[i] = strdup(record_args[i]);

3
tools/perf/builtin-timechart.c
View File

@ -989,6 +989,9 @@ static int __cmd_record(int argc, const char **argv)
rec_argc = ARRAY_SIZE(record_args) + argc - 1;
rec_argv = calloc(rec_argc + 1, sizeof(char *));
if (rec_argv == NULL)
return -ENOMEM;
for (i = 0; i < ARRAY_SIZE(record_args); i++)
rec_argv[i] = strdup(record_args[i]);

3
tools/perf/util/header.c
View File

@ -1005,6 +1005,9 @@ int event__synthesize_attr(struct perf_event_attr *attr, u16 ids, u64 *id,
ev = malloc(size);
if (ev == NULL)
return -ENOMEM;
ev->attr.attr = *attr;
memcpy(ev->attr.id, id, ids * sizeof(u64));