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622740aad9
Coverity reported:
CID 1611805: Uninitialized variables
in vfio_user_dma_map(). This can occur in the happy path when
->async_ops was not set; as this doesn't typically happen, it wasn't
caught during testing.
Align both map and unmap implementations to initialize ret the same way
to resolve this.
Resolves: Coverity CID 1611805
Fixes: 18e899e6 ("vfio-user: implement VFIO_USER_DMA_MAP/UNMAP")
Reported-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com>
Link: https://lore.kernel.org/qemu-devel/20250715115954.515819-5-john.levon@nutanix.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>