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authorZhen Lei <thunder.leizhen@huawei.com>2021-05-15 10:04:58 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-06-10 13:24:04 +0200
commitc953aee0d8a162d249dedaa47111e95dde0461cd (patch)
treea8c04f638ed4810d52e3793cc94683704616992d /drivers/vfio
parentdd47a33e11fdd6c9d31570500e6ecc369ba1f08e (diff)
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vfio/pci: Fix error return code in vfio_ecap_init()
[ Upstream commit d1ce2c79156d3baf0830990ab06d296477b93c26 ] The error code returned from vfio_ext_cap_len() is stored in 'len', not in 'ret'. Fixes: 89e1f7d4c66d ("vfio: Add PCI device driver") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Reviewed-by: Max Gurtovoy <mgurtovoy@nvidia.com> Message-Id: <20210515020458.6771-1-thunder.leizhen@huawei.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/vfio')
-rw-r--r--drivers/vfio/pci/vfio_pci_config.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c
index a1a26465d224..86e917f1cc21 100644
--- a/drivers/vfio/pci/vfio_pci_config.c
+++ b/drivers/vfio/pci/vfio_pci_config.c
@@ -1579,7 +1579,7 @@ static int vfio_ecap_init(struct vfio_pci_device *vdev)
if (len == 0xFF) {
len = vfio_ext_cap_len(vdev, ecap, epos);
if (len < 0)
- return ret;
+ return len;
}
}