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efi: modernize reconnect_all_drivers() a bit

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This commit is contained in:
Lennart Poettering 2025-02-11 19:22:09 +01:00
parent 1a95fc870a
commit e577d7d94a
1 changed files with 12 additions and 4 deletions
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16
src/boot/drivers.c
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@ -55,15 +55,23 @@ EFI_STATUS reconnect_all_drivers(void) {
/* Reconnects all handles, so that any loaded drivers can take effect. */
err = BS->LocateHandleBuffer(AllHandles, NULL, NULL, &n_handles, &handles);
if (err != EFI_SUCCESS)
err = BS->LocateHandleBuffer(
AllHandles,
/* Protocol= */ NULL,
/* SearchKey= */ NULL,
&n_handles, &handles);
if (!IN_SET(err, EFI_SUCCESS, EFI_NOT_FOUND))
return log_error_status(err, "Failed to get list of handles: %m");
for (size_t i = 0; i < n_handles; i++)
FOREACH_ARRAY(h, handles, n_handles)
/* Some firmware gives us some bogus handles (or they might become bad due to
* reconnecting everything). Security policy may also prevent us from doing so too.
* There is nothing we can realistically do on errors anyways, so just ignore them. */
(void) BS->ConnectController(handles[i], NULL, NULL, true);
(void) BS->ConnectController(
*h,
/* DriverImageHandle= */ NULL,
/* RemainingDevicePath= */ NULL,
/* Recursive= */ true);
return EFI_SUCCESS;
}