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authorIngo Molnar <mingo@kernel.org>2017-10-20 11:02:05 +0200
committerIngo Molnar <mingo@kernel.org>2017-10-20 11:02:05 +0200
commitca4b9c3b743da39a6e0756a5c68edb35f6fc5e53 (patch)
tree95ce0819f92e25bc4d768ab13cee1f385a83a7b2 /tools/perf/ui
parentkprobes: Use synchronize_rcu_tasks() for optprobe with CONFIG_PREEMPT=y (diff)
parentMerge tag 'perf-urgent-for-mingo-4.14-20171019' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent (diff)
downloadlinux-dev-ca4b9c3b743da39a6e0756a5c68edb35f6fc5e53.tar.xz
linux-dev-ca4b9c3b743da39a6e0756a5c68edb35f6fc5e53.zip
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/ui')
-rw-r--r--tools/perf/ui/hist.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index ddb2c6fbdf91..db79017a6e56 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -532,7 +532,7 @@ void perf_hpp_list__prepend_sort_field(struct perf_hpp_list *list,
void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
{
- list_del(&format->list);
+ list_del_init(&format->list);
}
void perf_hpp__cancel_cumulate(void)
@@ -606,6 +606,13 @@ next:
static void fmt_free(struct perf_hpp_fmt *fmt)
{
+ /*
+ * At this point fmt should be completely
+ * unhooked, if not it's a bug.
+ */
+ BUG_ON(!list_empty(&fmt->list));
+ BUG_ON(!list_empty(&fmt->sort_list));
+
if (fmt->free)
fmt->free(fmt);
}