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samples: vfio-mdev: fix error handing in mdpy_fb_probe()
[ Upstream commit 752774c ] Fix to return a negative error code from the framebuffer_alloc() error handling case instead of 0, also release regions in some error handing cases. Fixes: cacade1 ("sample: vfio mdev display - guest driver") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Message-Id: <20210520133641.1421378-1-weiyongjun1@huawei.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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