Merge tag 'perf-core-for-mingo-5.3-20190709' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/core improvements and fixes:

Intel PT:

  Adrian Hunter:

  - Fix DROP VIEW power_events_view in the postgresql and sqlite export-db
    python scripts.

perf script:

  Song Liu:

  - Assume native_arch for pipe mode, fixing a segfault.

perf inject:

  Arnaldo Carvalho de Melo:

  - The tool->read() call may pass a NULL evsel, handle it.

core:

  Arnaldo Carvalho de Melo:

  - Move zalloc/zfree.c to tools/lib, further eroding tools/perf/util.[ch]

  - Use zfree() where applicable instead of open coded equivalent.

  - Add stdlib.h and some other headers to places where its needed and were
    getting via util.h, that doesn't need that anymore.

  - Use list_del_init() more thoroughly.

Miscellaneous:

  Leo Yan:

  - Fix use after free and potential NULL pointer derefs detected by the
    smatch tool in various places.

  Luke Mujica:

  - Remove a couple unused variables in the parse-events code.

  Numfor Mbiziwo-Tiapo:

  - Initialize variable to suppress memory sanitizer warning in the
    mmap-thread-lookup 'perf test' entry.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index c7fde04400f7..ebc9d46c15a7 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -2,6 +2,7 @@
 #include <asm/bug.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
+#include <linux/zalloc.h>
 #include <sys/time.h>
 #include <sys/resource.h>
 #include <sys/types.h>
@@ -21,7 +22,7 @@
 #include "dso.h"
 #include "machine.h"
 #include "auxtrace.h"
-#include "util.h"
+#include "util.h" /* O_CLOEXEC for older systems */
 #include "debug.h"
 #include "string2.h"
 #include "vdso.h"
@@ -433,7 +434,7 @@ static void dso__list_add(struct dso *dso)
 
 static void dso__list_del(struct dso *dso)
 {
-	list_del(&dso->data.open_entry);
+	list_del_init(&dso->data.open_entry);
 	WARN_ONCE(dso__data_open_cnt <= 0,
 		  "DSO data fd counter out of bounds.");
 	dso__data_open_cnt--;