perf tools: Catch a few uncheck calloc/malloc's
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>
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index d0a652e..c9620ff 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -736,6 +736,9 @@
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]);
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index 92d3da5..b41b449 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -943,6 +943,9 @@
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]);
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 73d1e30..c775394 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -1860,6 +1860,9 @@
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]);
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 1f158dc..d2fc461 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -989,6 +989,9 @@
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]);
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 073f0e1..76e949a 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -1005,6 +1005,9 @@
ev = malloc(size);
+ if (ev == NULL)
+ return -ENOMEM;
+
ev->attr.attr = *attr;
memcpy(ev->attr.id, id, ids * sizeof(u64));