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[efi] Provide a dummy data block in nii_initialise()

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2015-04-14 16:20:32 +01:00
parent 6567511c3d
commit 914dd539b0
1 changed files with 6 additions and 1 deletions
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7
src/drivers/net/efi/nii.c
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@@ -568,6 +568,7 @@ static int nii_get_init_info ( struct nii_nic *nii,
*/ */
static int nii_initialise ( struct nii_nic *nii ) { static int nii_initialise ( struct nii_nic *nii ) {
PXE_CPB_INITIALIZE cpb; PXE_CPB_INITIALIZE cpb;
PXE_DB_INITIALIZE db;
unsigned int op; unsigned int op;
int stat; int stat;
int rc; int rc;
@@ -584,10 +585,14 @@ static int nii_initialise ( struct nii_nic *nii ) {
cpb.MemoryAddr = ( ( intptr_t ) nii->buffer ); cpb.MemoryAddr = ( ( intptr_t ) nii->buffer );
cpb.MemoryLength = nii->buffer_len; cpb.MemoryLength = nii->buffer_len;
/* Construct data block */
memset ( &db, 0, sizeof ( db ) );
/* Issue command */ /* Issue command */
op = NII_OP ( PXE_OPCODE_INITIALIZE, op = NII_OP ( PXE_OPCODE_INITIALIZE,
PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE ); PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE );
if ( ( stat = nii_issue_cpb ( nii, op, &cpb, sizeof ( cpb ) ) ) < 0 ) { if ( ( stat = nii_issue_cpb_db ( nii, op, &cpb, sizeof ( cpb ),
&db, sizeof ( db ) ) ) < 0 ) {
rc = -EIO_STAT ( stat ); rc = -EIO_STAT ( stat );
DBGC ( nii, "NII %s could not initialise: %s\n", DBGC ( nii, "NII %s could not initialise: %s\n",
nii->dev.name, strerror ( rc ) ); nii->dev.name, strerror ( rc ) );