perf tools: Don't die in perf_header_attr__new()
We really should propagate such kinds of errors so that users of
these library functions decide what to do in such cases instead
of exiting in random places like now.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <1258407027-384-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 04f335e..4c03bb7 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -220,7 +220,8 @@
h_attr = header->attr[nr];
} else {
h_attr = perf_header_attr__new(a);
- perf_header__add_attr(header, h_attr);
+ if (h_attr != NULL)
+ perf_header__add_attr(header, h_attr);
}
return h_attr;
@@ -308,6 +309,8 @@
}
h_attr = get_header_attr(attr, counter);
+ if (h_attr == NULL)
+ die("nomem\n");
if (!file_new) {
if (memcmp(&h_attr->attr, attr, sizeof(*attr))) {
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index d8416f0..2f07a23 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -19,16 +19,16 @@
{
struct perf_header_attr *self = malloc(sizeof(*self));
- if (!self)
- die("nomem");
-
- self->attr = *attr;
- self->ids = 0;
- self->size = 1;
- self->id = malloc(sizeof(u64));
-
- if (!self->id)
- die("nomem");
+ if (self != NULL) {
+ self->attr = *attr;
+ self->ids = 0;
+ self->size = 1;
+ self->id = malloc(sizeof(u64));
+ if (self->id == NULL) {
+ free(self);
+ self = NULL;
+ }
+ }
return self;
}
@@ -423,6 +423,8 @@
tmp = lseek(fd, 0, SEEK_CUR);
attr = perf_header_attr__new(&f_attr.attr);
+ if (attr == NULL)
+ die("nomem");
nr_ids = f_attr.ids.size / sizeof(u64);
lseek(fd, f_attr.ids.offset, SEEK_SET);
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index f1b3bf7..0cbd4c9 100644
--- a/tools/perf/util/header.h
+++ b/tools/perf/util/header.h
@@ -64,9 +64,7 @@
void perf_header__push_event(u64 id, const char *name);
char *perf_header__find_event(u64 id);
-
-struct perf_header_attr *
-perf_header_attr__new(struct perf_event_attr *attr);
+struct perf_header_attr *perf_header_attr__new(struct perf_event_attr *attr);
void perf_header_attr__add_id(struct perf_header_attr *self, u64 id);
u64 perf_header__sample_type(struct perf_header *header);