server: initialize first iolog header properly

We're sending potential stack garbage over the wire, init the
whole pdu to zeroes before filling it in. This shuts up valgrind
about using uninitialized memory.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/server.c b/server.c
index 76d662d4ce143e1745e0749bcc69732dd30cfb2a..622561411093d65da163912cdfaf29cf01333432 100644 (file)
--- a/server.c
+++ b/server.c
@@ -1933,6 +1933,7 @@ int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name)
        struct flist_head *entry;
        int ret = 0;
 
+       memset(&pdu, 0, sizeof(pdu));
        pdu.nr_samples = cpu_to_le64(iolog_nr_samples(log));
        pdu.thread_number = cpu_to_le32(td->thread_number);
        pdu.log_type = cpu_to_le32(log->log_type);