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tools/virtiofsd: Check vu_init() return value (CID 1435958)

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Since commit 6f5fd83788, vu_init() can fail if malloc() returns NULL.

This fixes the following Coverity warning:

  CID 1435958 (#1 of 1): Unchecked return value (CHECKED_RETURN)

Fixes: 6f5fd83788 ("libvhost-user: support many virtqueues")
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20201102092339.2034297-1-philmd@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2020-11-02 10:23:39 +01:00 committed by Dr. David Alan Gilbert
parent dcaac9f124
commit 2693026042
1 changed files with 5 additions and 2 deletions
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7
tools/virtiofsd/fuse_virtio.c
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@ -1013,8 +1013,11 @@ int virtio_session_mount(struct fuse_session *se)
se->vu_socketfd = data_sock; se->vu_socketfd = data_sock;
se->virtio_dev->se = se; se->virtio_dev->se = se;
pthread_rwlock_init(&se->virtio_dev->vu_dispatch_rwlock, NULL); pthread_rwlock_init(&se->virtio_dev->vu_dispatch_rwlock, NULL);
vu_init(&se->virtio_dev->dev, 2, se->vu_socketfd, fv_panic, NULL, if (!vu_init(&se->virtio_dev->dev, 2, se->vu_socketfd, fv_panic, NULL,
fv_set_watch, fv_remove_watch, &fv_iface); fv_set_watch, fv_remove_watch, &fv_iface)) {
fuse_log(FUSE_LOG_ERR, "%s: vu_init failed\n", __func__);
return -1;
}
return 0; return 0;
} }