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[efi] Fix error handling path in efi_snp_probe

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Current (simplified):

1. InstallMultipleProtocolInterfaces
       if err goto err_install_protocol_interface;
2. OpenProtocol(efi_nii_protocol_guid)
       if err goto err_open_nii;
3. OpenProtocol(efi_nii31_protocol_guid)
       if err goto err_open_nii31;
4. efi_child_add
       if err goto err_efi_child_add;
...
err_efi_child_add:
   CloseProtocol(efi_nii_protocol_guid) <= should be efi_nii31_protocol_guid
err_open_nii: <= should be err_open_nii31
   CloseProtocol(efi_nii31_protocol_guid) <= should be efi_nii_protocol_guid
err_open_nii31: <= should be err_open_nii
   UninstallMultipleProtocolInterfaces

Signed-off-by: Ignat Korchagin <ignat@cloudflare.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Ignat Korchagin
2019-01-04 19:20:28 +00:00
committed by Michael Brown
parent ba0d5aa993
commit e226fecd1b
1 changed files with 3 additions and 3 deletions
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6
src/interface/efi/efi_snp.c
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@@ -1829,12 +1829,12 @@ static int efi_snp_probe ( struct net_device *netdev ) {
efi_snp_hii_uninstall ( snpdev );
efi_child_del ( efidev->device, snpdev->handle );
err_efi_child_add:
bs->CloseProtocol ( snpdev->handle, &efi_nii_protocol_guid,
efi_image_handle, snpdev->handle );
err_open_nii:
bs->CloseProtocol ( snpdev->handle, &efi_nii31_protocol_guid,
efi_image_handle, snpdev->handle );
err_open_nii31:
bs->CloseProtocol ( snpdev->handle, &efi_nii_protocol_guid,
efi_image_handle, snpdev->handle );
err_open_nii:
bs->UninstallMultipleProtocolInterfaces (
snpdev->handle,
&efi_simple_network_protocol_guid, &snpdev->snp,