From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43952) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YmmNF-00071Y-Sl for qemu-devel@nongnu.org; Mon, 27 Apr 2015 12:59:14 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YmmNA-0007p8-Om for qemu-devel@nongnu.org; Mon, 27 Apr 2015 12:59:13 -0400 From: Thomas Huth Date: Mon, 27 Apr 2015 18:59:04 +0200 Message-Id: <1430153944-24368-1-git-send-email-thuth@redhat.com> Subject: [Qemu-devel] [PATCH] kvm: Silence warning from valgrind List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: qemu-trivial@nongnu.org, Paolo Bonzini valgrind complains here about uninitialized bytes with the following message: ==17814== Syscall param ioctl(generic) points to uninitialised byte(s) ==17814== at 0x466A780: ioctl (in /usr/lib64/power8/libc-2.17.so) ==17814== by 0x100735B7: kvm_vm_ioctl (kvm-all.c:1920) ==17814== by 0x10074583: kvm_set_ioeventfd_mmio (kvm-all.c:574) Let's fix it by using a proper struct initializer in kvm_set_ioeventfd_mmio(). Signed-off-by: Thomas Huth --- kvm-all.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/kvm-all.c b/kvm-all.c index dd44f8c..077b0ed 100644 --- a/kvm-all.c +++ b/kvm-all.c @@ -552,13 +552,13 @@ static int kvm_set_ioeventfd_mmio(int fd, hwaddr addr, uint32_t val, bool assign, uint32_t size, bool datamatch) { int ret; - struct kvm_ioeventfd iofd; - - iofd.datamatch = datamatch ? adjust_ioeventfd_endianness(val, size) : 0; - iofd.addr = addr; - iofd.len = size; - iofd.flags = 0; - iofd.fd = fd; + struct kvm_ioeventfd iofd = { + .datamatch = datamatch ? adjust_ioeventfd_endianness(val, size) : 0, + .addr = addr, + .len = size, + .flags = 0, + .fd = fd, + }; if (!kvm_enabled()) { return -ENOSYS; -- 1.8.3.1