From 66ca22d05cb88d3460e7caca112020b31dbcf2d0 Mon Sep 17 00:00:00 2001 From: Hao Wu Date: Tue, 22 Dec 2015 13:55:13 +0000 Subject: [PATCH] MdeModulePkg DiskIoDxe: Check for MediaPresent in DiskIo2ReadWriteDisk() Add check to see if there is a media in the disk device. If not return EFI_NO_MEDIA directly. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Hao Wu Reviewed-by: Feng Tian git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19446 6f19259b-4bc3-4df7-8a09-765794883524 --- MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIo.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIo.c b/MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIo.c index 0f0dbfee82..97f2d508a2 100644 --- a/MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIo.c +++ b/MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIo.c @@ -833,6 +833,10 @@ DiskIo2ReadWriteDisk ( Status = EFI_SUCCESS; Blocking = (BOOLEAN) ((Token == NULL) || (Token->Event == NULL)); + if (!(Media->MediaPresent)) { + return EFI_NO_MEDIA; + } + if (Media->MediaId != MediaId) { return EFI_MEDIA_CHANGED; } -- 2.39.5