提交 1d056d9c 编写于 作者: D Daniel Borkmann 提交者: David S. Miller

bpf, verifier: annotate verbose printer with __printf

The verbose() printer dumps the verifier state to user space, so let gcc
take care to check calls to verbose() for (future) errors. make with W=1
correctly suggests: function might be possible candidate for 'gnu_printf'
format attribute [-Wsuggest-attribute=format].
Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 85013ab5
......@@ -214,7 +214,7 @@ static DEFINE_MUTEX(bpf_verifier_lock);
* verbose() is used to dump the verification trace to the log, so the user
* can figure out what's wrong with the program
*/
static void verbose(const char *fmt, ...)
static __printf(1, 2) void verbose(const char *fmt, ...)
{
va_list args;
......
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