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| author |   Tom Rix <trix@redhat.com> | 2020-12-21 08:27:15 -0800 |
|---|---|---|
| committer |   Steven Rostedt (VMware) <rostedt@goodmis.org> | 2021-02-02 17:02:05 -0500 |
| commit | bd0c9706430240e3b7e9323361bb25066540d2a8 (patch) | |
| tree | 5d763c3c8fd71a9630b4e86df57653f432a36611 | |
| parent | tracepoint: Fix race between tracing and removing tracepoint (diff) | |
| download | linux-dev-bd0c9706430240e3b7e9323361bb25066540d2a8.tar.xz linux-dev-bd0c9706430240e3b7e9323361bb25066540d2a8.zip | |
tracing: Add printf attribute to log function
Attributing the function allows the compiler to more thoroughly
check the use of the function with -Wformat and similar flags.
Link: https://lkml.kernel.org/r/20201221162715.3757291-1-trix@redhat.com
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
| -rw-r--r-- | include/linux/trace.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/trace.h b/include/linux/trace.h index 886a4ffd9d45..be1e130ed87c 100644 --- a/include/linux/trace.h +++ b/include/linux/trace.h @@ -34,8 +34,9 @@ int unregister_ftrace_export(struct trace_export *export); struct trace_array; void trace_printk_init_buffers(void); +__printf(3, 4) int trace_array_printk(struct trace_array *tr, unsigned long ip, - const char *fmt, ...); + const char *fmt, ...); int trace_array_init_printk(struct trace_array *tr); void trace_array_put(struct trace_array *tr); struct trace_array *trace_array_get_by_name(const char *name); |