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| author |   Mathieu Malaterre <malat@debian.org> | 2018-03-08 21:58:43 +0100 |
|---|---|---|
| committer |   Steven Rostedt (VMware) <rostedt@goodmis.org> | 2018-07-03 18:32:04 -0400 |
| commit | 26b68dd2f48fe7699a89f0cfbb9f4a650dc1c837 (patch) | |
| tree | 53ed16172da01547d9a260a92c7f88c279c2711d /kernel/trace | |
| parent | tracing: Optimize trace_buffer_iter() logic (diff) | |
| download | linux-dev-26b68dd2f48fe7699a89f0cfbb9f4a650dc1c837.tar.xz linux-dev-26b68dd2f48fe7699a89f0cfbb9f4a650dc1c837.zip | |
tracing: Use __printf markup to silence compiler
Silence warnings (triggered at W=1) by adding relevant __printf attributes.
CC kernel/trace/trace.o
kernel/trace/trace.c: In function ‘__trace_array_vprintk’:
kernel/trace/trace.c:2979:2: warning: function might be possible candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
len = vscnprintf(tbuffer, TRACE_BUF_SIZE, fmt, args);
^~~
AR kernel/trace/built-in.o
Link: http://lkml.kernel.org/r/20180308205843.27447-1-malat@debian.org
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index a0079b4c7a49..f054bd6a1c66 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -2953,6 +2953,7 @@ out_nobuffer: } EXPORT_SYMBOL_GPL(trace_vbprintk); +__printf(3, 0) static int __trace_array_vprintk(struct ring_buffer *buffer, unsigned long ip, const char *fmt, va_list args) @@ -3007,12 +3008,14 @@ out_nobuffer: return len; } +__printf(3, 0) int trace_array_vprintk(struct trace_array *tr, unsigned long ip, const char *fmt, va_list args) { return __trace_array_vprintk(tr->trace_buffer.buffer, ip, fmt, args); } +__printf(3, 0) int trace_array_printk(struct trace_array *tr, unsigned long ip, const char *fmt, ...) { @@ -3028,6 +3031,7 @@ int trace_array_printk(struct trace_array *tr, return ret; } +__printf(3, 4) int trace_array_printk_buf(struct ring_buffer *buffer, unsigned long ip, const char *fmt, ...) { @@ -3043,6 +3047,7 @@ int trace_array_printk_buf(struct ring_buffer *buffer, return ret; } +__printf(2, 0) int trace_vprintk(unsigned long ip, const char *fmt, va_list args) { return trace_array_vprintk(&global_trace, ip, fmt, args); |