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vhost-user-gpu: initialize msghdr & iov at declaration 

This should fix uninitialized fields found by coverity CID 1401762.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190605145829.7674-6-marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Marc-André Lureau 2019-06-05 16:58:29 +02:00 committed by Michael S. Tsirkin
parent be32fd9ee1
commit c715130a64
1 changed files with 8 additions and 13 deletions
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21
contrib/vhost-user-gpu/main.c
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@ -138,22 +138,20 @@ static int
vg_sock_fd_write(int sock, const void *buf, ssize_t buflen, int fd) vg_sock_fd_write(int sock, const void *buf, ssize_t buflen, int fd)
{ {
ssize_t ret; ssize_t ret;
struct msghdr msg; struct iovec iov = {
struct iovec iov; .iov_base = (void *)buf,
.iov_len = buflen,
};
struct msghdr msg = {
.msg_iov = &iov,
.msg_iovlen = 1,
};
union { union {
struct cmsghdr cmsghdr; struct cmsghdr cmsghdr;
char control[CMSG_SPACE(sizeof(int))]; char control[CMSG_SPACE(sizeof(int))];
} cmsgu; } cmsgu;
struct cmsghdr *cmsg; struct cmsghdr *cmsg;
iov.iov_base = (void *)buf;
iov.iov_len = buflen;
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
if (fd != -1) { if (fd != -1) {
msg.msg_control = cmsgu.control; msg.msg_control = cmsgu.control;
msg.msg_controllen = sizeof(cmsgu.control); msg.msg_controllen = sizeof(cmsgu.control);
@ -164,9 +162,6 @@ vg_sock_fd_write(int sock, const void *buf, ssize_t buflen, int fd)
cmsg->cmsg_type = SCM_RIGHTS; cmsg->cmsg_type = SCM_RIGHTS;
*((int *)CMSG_DATA(cmsg)) = fd; *((int *)CMSG_DATA(cmsg)) = fd;
} else {
msg.msg_control = NULL;
msg.msg_controllen = 0;
} }
do { do {