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efi_loader: SignalEvent for event in signaled state

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If an event is already in the signaled state, SignalEvent should not queue
the notification function but simply return EFI_SUCCESS.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2019-06-06 01:51:50 +02:00
parent daa3f8472a
commit dfa306e442
1 changed files with 2 additions and 0 deletions
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lib/efi_loader/efi_boottime.c
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@ -221,6 +221,8 @@ efi_status_t is_valid_tpl(efi_uintn_t tpl)
*/
void efi_signal_event(struct efi_event *event, bool check_tpl)
{
if (event->is_signaled)
return;
if (event->group) {
struct efi_event *evt;