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Michael Brown 9ff6d08bf5 [efi] Avoid infinite loops when asked to stop non-existent devices

Calling EDK2's OpenProtocol() with attributes BY_DRIVER|EXCLUSIVE will
call DisconnectController() in a loop to attempt to dislodge any
existing openers with attributes BY_DRIVER.  The loop will continue
indefinitely until either no such openers remain, or until
DisconnectController() returns an error.

If our driver binding protocol's Stop() method is ever called to
disconnect a device that we are not in fact driving, then return
EFI_DEVICE_ERROR rather than EFI_SUCCESS, in order to break this
potentially infinite loop.

Signed-off-by: Michael Brown <mcb30@ipxe.org>

2015-09-28 03:20:59 +01:00

contrib

[errdb] Strip platform error code for non-platform-generated errors

2013-04-29 15:36:32 +01:00

src

[efi] Avoid infinite loops when asked to stop non-existent devices

2015-09-28 03:20:59 +01:00

COPYING

[legal] Update GPLv2 licence text

2015-02-26 17:59:53 +00:00

COPYING.GPLv2

[legal] Update GPLv2 licence text

2015-02-26 17:59:53 +00:00

COPYING.UBDL

[legal] Add support for the Unmodified Binary Distribution Licence

2015-03-02 12:07:14 +00:00

README

[doc] Re-add README file

2010-05-28 00:03:47 +01:00

README

iPXE README File

Quick start guide:

   cd src
   make

For any more detailed instructions, see http://ipxe.org

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