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[efi] Provide a dummy data block in nii_initialise()
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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mcb30 committed Apr 14, 2015
1 parent 6567511 commit 914dd53
Showing 1 changed file with 6 additions and 1 deletion.
7 changes: 6 additions & 1 deletion src/drivers/net/efi/nii.c
Expand Up @@ -568,6 +568,7 @@ static int nii_get_init_info ( struct nii_nic *nii,
*/
static int nii_initialise ( struct nii_nic *nii ) {
PXE_CPB_INITIALIZE cpb;
PXE_DB_INITIALIZE db;
unsigned int op;
int stat;
int rc;
Expand All @@ -584,10 +585,14 @@ static int nii_initialise ( struct nii_nic *nii ) {
cpb.MemoryAddr = ( ( intptr_t ) nii->buffer );
cpb.MemoryLength = nii->buffer_len;

/* Construct data block */
memset ( &db, 0, sizeof ( db ) );

/* Issue command */
op = NII_OP ( PXE_OPCODE_INITIALIZE,
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 );
DBGC ( nii, "NII %s could not initialise: %s\n",
nii->dev.name, strerror ( rc ) );
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