diff options
Diffstat (limited to 'src/drivers/net/efi/snpnet.c')
| -rw-r--r-- | src/drivers/net/efi/snpnet.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/drivers/net/efi/snpnet.c b/src/drivers/net/efi/snpnet.c index fb52402..69ec6f5 100644 --- a/src/drivers/net/efi/snpnet.c +++ b/src/drivers/net/efi/snpnet.c @@ -164,6 +164,10 @@ static int snpnet_transmit ( struct net_device *netdev, EFI_STATUS efirc; int rc; + /* Do nothing if shutdown is in progress */ + if ( efi_shutdown_in_progress ) + return -ECANCELED; + /* Defer the packet if there is already a transmission in progress */ if ( snp->txbuf ) { netdev_tx_defer ( netdev, iobuf ); @@ -283,6 +287,10 @@ static void snpnet_poll_rx ( struct net_device *netdev ) { */ static void snpnet_poll ( struct net_device *netdev ) { + /* Do nothing if shutdown is in progress */ + if ( efi_shutdown_in_progress ) + return; + /* Process any TX completions */ snpnet_poll_tx ( netdev ); @@ -426,8 +434,9 @@ static void snpnet_close ( struct net_device *netdev ) { EFI_STATUS efirc; int rc; - /* Shut down NIC */ - if ( ( efirc = snp->snp->Shutdown ( snp->snp ) ) != 0 ) { + /* Shut down NIC (unless whole system shutdown is in progress) */ + if ( ( ! efi_shutdown_in_progress ) && + ( ( efirc = snp->snp->Shutdown ( snp->snp ) ) != 0 ) ) { rc = -EEFI ( efirc ); DBGC ( snp, "SNP %s could not shut down: %s\n", netdev->name, strerror ( rc ) ); @@ -589,8 +598,9 @@ void snpnet_stop ( struct efi_device *efidev ) { /* Unregister network device */ unregister_netdev ( netdev ); - /* Stop SNP protocol */ - if ( ( efirc = snp->snp->Stop ( snp->snp ) ) != 0 ) { + /* Stop SNP protocol (unless whole system shutdown is in progress) */ + if ( ( ! efi_shutdown_in_progress ) && + ( ( efirc = snp->snp->Stop ( snp->snp ) ) != 0 ) ) { rc = -EEFI ( efirc ); DBGC ( device, "SNP %s could not stop: %s\n", efi_handle_name ( device ), strerror ( rc ) ); |