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[efi] Ignore failures when attempting to install SNP HII protocol 

HII seems to fail on several systems.  Since it is non-essential,
treat HII problems as non-fatal.

Debugged-by: Curtis Larsen <larsen@dixie.edu>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/20/merge
Michael Brown 2014-07-30 18:44:09 +01:00
parent 98d09a1e03
commit 7cfb502fff
2 changed files with 13 additions and 6 deletions
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12
src/interface/efi/efi_snp.c
View File

@ -1053,7 +1053,10 @@ static int efi_snp_probe ( struct net_device *netdev ) {
if ( ( rc = efi_snp_hii_install ( snpdev ) ) != 0 ) {
DBGC ( snpdev, "SNPDEV %p could not install HII: %s\n",
snpdev, strerror ( rc ) );
goto err_hii_install;
/* HII fails on several platforms. It's
* non-essential, so treat this as a non-fatal
* error.
*/
}
/* Add to list of SNP devices */
@ -1064,8 +1067,8 @@ static int efi_snp_probe ( struct net_device *netdev ) {
efi_devpath_text ( &snpdev->path ) );
return 0;
efi_snp_hii_uninstall ( snpdev );
err_hii_install:
if ( snpdev->package_list )
efi_snp_hii_uninstall ( snpdev );
efidev_child_del ( efidev, snpdev->handle );
err_efidev_child_add:
bs->UninstallMultipleProtocolInterfaces (
@ -1130,7 +1133,8 @@ static void efi_snp_remove ( struct net_device *netdev ) {
}
/* Uninstall the SNP */
efi_snp_hii_uninstall ( snpdev );
if ( snpdev->package_list )
efi_snp_hii_uninstall ( snpdev );
efidev_child_del ( snpdev->efidev, snpdev->handle );
list_del ( &snpdev->list );
bs->UninstallMultipleProtocolInterfaces (

7
src/interface/efi/efi_snp_hii.c
View File

@ -649,8 +649,10 @@ int efi_snp_hii_install ( struct efi_snp_device *snpdev ) {
int rc;
/* Do nothing if HII database protocol is not supported */
if ( ! efihii )
return 0;
if ( ! efihii ) {
rc = -ENOTSUP;
goto err_no_hii;
}
/* Initialise HII protocol */
memcpy ( &snpdev->hii, &efi_snp_device_hii, sizeof ( snpdev->hii ) );
@ -697,6 +699,7 @@ int efi_snp_hii_install ( struct efi_snp_device *snpdev ) {
free ( snpdev->package_list );
snpdev->package_list = NULL;
err_build_package_list:
err_no_hii:
return rc;
}