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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>
tags/v1.20.1
Michael Brown пре 12 година
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комит
88016deccf
1 измењених фајлова са 7 додато и 0 уклоњено
  1. 7
    0
      src/arch/i386/image/pxe_image.c

+ 7
- 0
src/arch/i386/image/pxe_image.c Прегледај датотеку

@@ -65,6 +65,7 @@ static int pxe_exec ( struct image *image ) {
65 65
 		       image );
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 		return -ENODEV;
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 	}
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+	netdev_get ( netdev );
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 	/* Activate PXE */
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 	pxe_activate ( netdev );
@@ -81,6 +82,12 @@ static int pxe_exec ( struct image *image ) {
81 82
 	/* Deactivate PXE */
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 	pxe_deactivate();
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+	/* Try to reopen network device.  Ignore errors, since the NBP
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+	 * may have called PXENV_STOP_UNDI.
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+	 */
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+	netdev_open ( netdev );
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+	netdev_put ( netdev );
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+
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 	return rc;
85 92
 }
86 93
 

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