Messages in this thread | | | Date | Mon, 5 Sep 2016 14:57:23 +0100 | From | Matt Fleming <> | Subject | Re: [PATCH] arm64/efi: efi_init error handling fix |
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On Fri, 02 Sep, at 11:26:18AM, Will Deacon wrote: > On Fri, Sep 02, 2016 at 06:18:39PM +0800, Xie Yisheng wrote: > > From: Yisheng Xie <xieyisheng1@huawei.com> > > > > There's an early memmap leak in efi_init error path, fix it. > > > > Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com> > > --- > > drivers/firmware/efi/arm-init.c | 4 +++- > > 1 file changed, 3 insertions(+), 1 deletion(-) > > Adding linux-efi, Ard and Matt. Please try to CC the relevant people in > future. > > Will > > > diff --git a/drivers/firmware/efi/arm-init.c b/drivers/firmware/efi/arm-init.c > > index c49d50e..5080e40 100644 > > --- a/drivers/firmware/efi/arm-init.c > > +++ b/drivers/firmware/efi/arm-init.c > > @@ -243,8 +243,10 @@ void __init efi_init(void) > > "Unexpected EFI_MEMORY_DESCRIPTOR version %ld", > > efi.memmap.desc_version); > > > > - if (uefi_init() < 0) > > + if (uefi_init() < 0) { > > + early_memunmap(efi.memmap.map, params.mmap_size); > > return; > > + }
This should be a call to efi_memmap_unmap() because the EFI_MEMMAP flag also needs clearing.
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