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| author | Takashi Iwai <tiwai@suse.de> | 2018-03-12 17:30:38 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2018-03-12 17:30:38 +0100 |
| commit | db45dc9540ea4864bb9d22eed30d3e70ed5d56d4 (patch) | |
| tree | c611d75097036ff464e9af31aa729e34c863ec93 /arch/arm64/kernel/stacktrace.c | |
| parent | 40088dc4e1ead7df31728c73f5b51d71da18831d (diff) | |
| parent | a3e39ed1f40e14f24bec0f91c4fa0408fb6c4d02 (diff) | |
Merge tag 'asoc-fix-v4.16-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.16
This is a fairly standard collection of fixes, there's no changes to the
core here just a bunch of small device specific changes for single
drivers plus an update to the MAINTAINERS file for the sgl5000.
Diffstat (limited to 'arch/arm64/kernel/stacktrace.c')
| -rw-r--r-- | arch/arm64/kernel/stacktrace.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c index 76809ccd309c..d5718a060672 100644 --- a/arch/arm64/kernel/stacktrace.c +++ b/arch/arm64/kernel/stacktrace.c @@ -59,6 +59,11 @@ int notrace unwind_frame(struct task_struct *tsk, struct stackframe *frame) #ifdef CONFIG_FUNCTION_GRAPH_TRACER if (tsk->ret_stack && (frame->pc == (unsigned long)return_to_handler)) { + if (WARN_ON_ONCE(frame->graph == -1)) + return -EINVAL; + if (frame->graph < -1) + frame->graph += FTRACE_NOTRACE_DEPTH; + /* * This is a case where function graph tracer has * modified a return address (LR) in a stack frame |