summaryrefslogtreecommitdiff
path: root/lib
diff options
context:
space:
mode:
authorJonathan Gray <jsg@jsg.id.au>2017-03-12 08:26:07 (GMT)
committerAlexander Graf <agraf@suse.de>2017-07-03 11:54:48 (GMT)
commita95343b8d3db894681dd427bc60077abc891aecc (patch)
tree267fc263becb970124017c6618fa60b832e129e0 /lib
parent37a980b3fa0b0ad26b16b7b9b9dbb25b0075a06b (diff)
downloadu-boot-a95343b8d3db894681dd427bc60077abc891aecc.tar.xz
efi_loader: check CreateEvent() parameters
Add some of the invalid parameter checks described in the UEFI specification for CreateEvent(). This does not include checking the validity of the type and tpl parameters. Signed-off-by: Jonathan Gray <jsg@jsg.id.au> Acked-By: Heinrich Schuchardt <xypron.glpk@gmx.de> [agraf: fix checkpatch.pl indent warning] Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'lib')
-rw-r--r--lib/efi_loader/efi_boottime.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index eb5946a..44bcbb1 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -189,6 +189,16 @@ static efi_status_t EFIAPI efi_create_event(
return EFI_EXIT(EFI_OUT_OF_RESOURCES);
}
+ if (event == NULL)
+ return EFI_EXIT(EFI_INVALID_PARAMETER);
+
+ if ((type & EVT_NOTIFY_SIGNAL) && (type & EVT_NOTIFY_WAIT))
+ return EFI_EXIT(EFI_INVALID_PARAMETER);
+
+ if ((type & (EVT_NOTIFY_SIGNAL|EVT_NOTIFY_WAIT)) &&
+ notify_function == NULL)
+ return EFI_EXIT(EFI_INVALID_PARAMETER);
+
efi_event.type = type;
efi_event.notify_tpl = notify_tpl;
efi_event.notify_function = notify_function;