summaryrefslogtreecommitdiff
path: root/kernel/stacktrace.c
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2019-11-14 05:53:10 +1000
committerDave Airlie <airlied@redhat.com>2019-11-14 05:53:10 +1000
commit77e0723bd27f830d0903225372aa778fe2975648 (patch)
tree4c035783e014b3a0ac9174390f88dc75150533e4 /kernel/stacktrace.c
parent3ca3a9eab7085b3c938b5d088c3020269cfecdc8 (diff)
parent31f4f5b495a62c9a8b15b1c3581acd5efeb9af8c (diff)
Merge v5.4-rc7 into drm-next
We have the i915 security fixes to backmerge, but first let's clear the decks for other drivers to avoid a bigger mess. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'kernel/stacktrace.c')
-rw-r--r--kernel/stacktrace.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c
index 6d1f68b7e528a..c9ea7eb2cb1a3 100644
--- a/kernel/stacktrace.c
+++ b/kernel/stacktrace.c
@@ -141,7 +141,8 @@ unsigned int stack_trace_save_tsk(struct task_struct *tsk, unsigned long *store,
struct stacktrace_cookie c = {
.store = store,
.size = size,
- .skip = skipnr + 1,
+ /* skip this function if they are tracing us */
+ .skip = skipnr + !!(current == tsk),
};
if (!try_get_task_stack(tsk))
@@ -298,7 +299,8 @@ unsigned int stack_trace_save_tsk(struct task_struct *task,
struct stack_trace trace = {
.entries = store,
.max_entries = size,
- .skip = skipnr + 1,
+ /* skip this function if they are tracing us */
+ .skip = skipnr + !!(current == task),
};
save_stack_trace_tsk(task, &trace);