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[iscsi] Do not install iBFT when no iSCSI targets exist 

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2017-03-28 20:45:23 +03:00
parent 7cfdd769aa
commit 2ace5196e5
1 changed files with 7 additions and 0 deletions
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7
src/drivers/block/ibft.c
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@ -591,6 +591,12 @@ static int ibft_install ( int ( * install ) ( struct acpi_header *acpi ) ) {
strings.len = 0; strings.len = 0;
len = offset; len = offset;
/* Do nothing if no targets exist */
if ( ! targets ) {
rc = 0;
goto no_targets;
}
/* Allocate table */ /* Allocate table */
data = zalloc ( len ); data = zalloc ( len );
if ( ! data ) { if ( ! data ) {
@ -668,6 +674,7 @@ static int ibft_install ( int ( * install ) ( struct acpi_header *acpi ) ) {
err_initiator: err_initiator:
free ( data ); free ( data );
err_alloc: err_alloc:
no_targets:
free ( strings.data ); free ( strings.data );
return rc; return rc;
} }