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util/vfio-helpers: Remove unreachable code in qemu_vfio_dma_map()

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qemu_vfio_add_mapping() returns a pointer to an indexed entry
in pre-allocated QEMUVFIOState::mappings[], thus can not be NULL.
Remove the pointless check.

Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20210902070025.197072-5-philmd@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2021-09-02 09:00:18 +02:00 committed by Stefan Hajnoczi
parent a990858b0c
commit 3f4c0affcf
1 changed files with 0 additions and 4 deletions
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4
util/vfio-helpers.c
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@ -751,10 +751,6 @@ int qemu_vfio_dma_map(QEMUVFIOState *s, void *host, size_t size,
}
mapping = qemu_vfio_add_mapping(s, host, size, index + 1, iova0);
if (!mapping) {
ret = -ENOMEM;
goto out;
}
assert(qemu_vfio_verify_mappings(s));
ret = qemu_vfio_do_mapping(s, host, size, iova0);
if (ret) {