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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-01-02 15:13:41 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-01-02 15:13:41 +0100 |
| commit | 01f1918833e4817fdb0810306c021c5cbee775d3 (patch) | |
| tree | 34a649c453d30fee1f1b564badb6e3dc210655c3 /arch/x86/kernel/stacktrace.c | |
| parent | 3df613ec12f71f00dad545a9df75573951e5c59f (diff) | |
| parent | 30a7acd573899fd8b8ac39236eff6468b195ac7d (diff) | |
Merge 4.15.0-rc6 into usb-next
We want the USB fixes in here, and this resolves a merge issue with the
vhci_rx.c file.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/kernel/stacktrace.c')
| -rw-r--r-- | arch/x86/kernel/stacktrace.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c index 77835bc021c7..20161ef53537 100644 --- a/arch/x86/kernel/stacktrace.c +++ b/arch/x86/kernel/stacktrace.c @@ -164,8 +164,12 @@ int save_stack_trace_tsk_reliable(struct task_struct *tsk, { int ret; + /* + * If the task doesn't have a stack (e.g., a zombie), the stack is + * "reliably" empty. + */ if (!try_get_task_stack(tsk)) - return -EINVAL; + return 0; ret = __save_stack_trace_reliable(trace, tsk); |