From mboxrd@z Thu Jan 1 00:00:00 1970 From: Will Deacon Subject: Re: [PATCH] arm64/efi: efi_init error handling fix Date: Fri, 2 Sep 2016 11:26:18 +0100 Message-ID: <20160902102618.GC17482@arm.com> References: <1472811519-4897-1-git-send-email-xieyisheng1@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1472811519-4897-1-git-send-email-xieyisheng1-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Xie Yisheng Cc: mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, guohanjun-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, catalin.marinas-5wv7dgnIgG8@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, matt-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org, linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org List-Id: linux-efi@vger.kernel.org On Fri, Sep 02, 2016 at 06:18:39PM +0800, Xie Yisheng wrote: > From: Yisheng Xie > > There's an early memmap leak in efi_init error path, fix it. > > Signed-off-by: Yisheng Xie > --- > 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; > + } > > reserve_regions(); > efi_memattr_init(); > -- > 1.7.12.4 >