diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-10-14 08:03:44 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-10-14 08:03:44 +0200 |
| commit | 64f3b5a6bc49adf77d58eddd72a4bfccd492fa24 (patch) | |
| tree | cdd6aa7a0d21482ae4d1e76d837f3712c8c6481d /kernel/trace/trace.c | |
| parent | USB: chaoskey: Fix possible deadlock chaoskey_list_lock (diff) | |
| parent | Linux 6.12-rc3 (diff) | |
| download | linux-64f3b5a6bc49adf77d58eddd72a4bfccd492fa24.tar.gz linux-64f3b5a6bc49adf77d58eddd72a4bfccd492fa24.zip | |
Merge 6.12-rc3 into usb-next
We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/trace/trace.c')
| -rw-r--r-- | kernel/trace/trace.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index c01375adc471..1c69ca1f1088 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3697,8 +3697,8 @@ static void test_can_verify(void) void trace_check_vprintf(struct trace_iterator *iter, const char *fmt, va_list ap) { - long text_delta = iter->tr->text_delta; - long data_delta = iter->tr->data_delta; + long text_delta = 0; + long data_delta = 0; const char *p = fmt; const char *str; bool good; @@ -3710,6 +3710,17 @@ void trace_check_vprintf(struct trace_iterator *iter, const char *fmt, if (static_branch_unlikely(&trace_no_verify)) goto print; + /* + * When the kernel is booted with the tp_printk command line + * parameter, trace events go directly through to printk(). + * It also is checked by this function, but it does not + * have an associated trace_array (tr) for it. + */ + if (iter->tr) { + text_delta = iter->tr->text_delta; + data_delta = iter->tr->data_delta; + } + /* Don't bother checking when doing a ftrace_dump() */ if (iter->fmt == static_fmt_buf) goto print; |
