From: Zhen Lei <thunder.leizhen@xxxxxxxxxx> [ 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@xxxxxxxxxx> Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx> Reviewed-by: Max Gurtovoy <mgurtovoy@xxxxxxxxxx> Message-Id: <20210515020458.6771-1-thunder.leizhen@xxxxxxxxxx> Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/vfio/pci/vfio_pci_config.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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; } } -- 2.30.2