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[pxe] Reopen network device if NBP exits 

Attempt to restore the network device to the state it was in prior to
calling the NBP.  This simplifies the task of taking follow-up action
in an iPXE script.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2012-07-12 16:04:41 +01:00
parent c5c257788f
commit 88016deccf
1 changed files with 7 additions and 0 deletions
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7
src/arch/i386/image/pxe_image.c
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@ -65,6 +65,7 @@ static int pxe_exec ( struct image *image ) {
image );
return -ENODEV;
}
netdev_get ( netdev );
/* Activate PXE */
pxe_activate ( netdev );
@ -81,6 +82,12 @@ static int pxe_exec ( struct image *image ) {
/* Deactivate PXE */
pxe_deactivate();
/* Try to reopen network device. Ignore errors, since the NBP
* may have called PXENV_STOP_UNDI.
*/
netdev_open ( netdev );
netdev_put ( netdev );
return rc;
}