io: Add missing GCC_FMT_ATTR (fix -Werror=suggest-attribute=format)

This fixes a compiler warning:

/qemu/io/channel-websock.c:163:5: error:
 function might be possible candidate for ‘gnu_printf’ format attribute
 [-Werror=suggest-attribute=format]

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Acked-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Stefan Weil 2017-10-07 16:56:09 +02:00 committed by Michael Tokarev
parent 429cc0d31f
commit 52aa5644e8
1 changed files with 4 additions and 3 deletions

View File

@ -151,9 +151,10 @@ enum {
QIO_CHANNEL_WEBSOCK_OPCODE_PONG = 0xA
};
static void qio_channel_websock_handshake_send_res(QIOChannelWebsock *ioc,
const char *resmsg,
...)
static void GCC_FMT_ATTR(2, 3)
qio_channel_websock_handshake_send_res(QIOChannelWebsock *ioc,
const char *resmsg,
...)
{
va_list vargs;
char *response;