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Ensure that pxe_netdev is set before starting up PXE NBP.

pull/1/head
Michael Brown 2007-07-03 00:02:26 +01:00
parent cbd956535e
commit 071356d976
1 changed files with 10 additions and 3 deletions
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13
src/arch/i386/image/pxe_image.c
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@ -38,7 +38,7 @@ struct image_type pxe_image_type __image_type ( PROBE_PXE );
* @v image PXE image * @v image PXE image
* @ret rc Return status code * @ret rc Return status code
*/ */
static int pxe_exec ( struct image *image __unused ) { static int pxe_exec ( struct image *image ) {
struct net_device *netdev; struct net_device *netdev;
int rc; int rc;
@ -52,6 +52,13 @@ static int pxe_exec ( struct image *image __unused ) {
break; break;
} }
/* Many things will break if pxe_netdev is NULL */
if ( ! pxe_netdev ) {
DBGC ( image, "IMAGE %p could not locate PXE net device\n",
image );
return -ENODEV;
}
/* Start PXE NBP */ /* Start PXE NBP */
rc = pxe_start_nbp(); rc = pxe_start_nbp();
@ -80,8 +87,8 @@ int pxe_load ( struct image *image ) {
/* Verify and prepare segment */ /* Verify and prepare segment */
if ( ( rc = prep_segment ( buffer, filesz, memsz ) ) != 0 ) { if ( ( rc = prep_segment ( buffer, filesz, memsz ) ) != 0 ) {
DBG ( "PXE image could not prepare segment: %s\n", DBGC ( image, "IMAGE %p could not prepare segment: %s\n",
strerror ( rc ) ); image, strerror ( rc ) );
return rc; return rc;
} }