* [PATCH v2] arm: kdump: add invalid input check for 'crashkernel=0'
@ 2022-03-31 11:24 Austin Kim
2022-03-31 13:05 ` Russell King (Oracle)
0 siblings, 1 reply; 3+ messages in thread
From: Austin Kim @ 2022-03-31 11:24 UTC (permalink / raw)
To: linux, arnd; +Cc: linux-arm-kernel, linux-kernel, austin.kim, p4ranlee
From: Austin Kim <austin.kim@lge.com>
Add invalid input check expression when 'crashkernel=0' is specified
running kdump.
Signed-off-by: Austin Kim <austin.kim@lge.com>
---
arch/arm/kernel/setup.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 039feb7cd590..1e8a50a97edf 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -1004,7 +1004,8 @@ static void __init reserve_crashkernel(void)
total_mem = get_total_mem();
ret = parse_crashkernel(boot_command_line, total_mem,
&crash_size, &crash_base);
- if (ret)
+ /* invalid value specified or crashkernel=0 */
+ if (ret || !crash_size)
return;
if (crash_base <= 0) {
--
2.20.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v2] arm: kdump: add invalid input check for 'crashkernel=0'
2022-03-31 11:24 [PATCH v2] arm: kdump: add invalid input check for 'crashkernel=0' Austin Kim
@ 2022-03-31 13:05 ` Russell King (Oracle)
2022-03-31 20:16 ` Austin Kim
0 siblings, 1 reply; 3+ messages in thread
From: Russell King (Oracle) @ 2022-03-31 13:05 UTC (permalink / raw)
To: Austin Kim; +Cc: arnd, linux-arm-kernel, linux-kernel, austin.kim, p4ranlee
On Thu, Mar 31, 2022 at 12:24:16PM +0100, Austin Kim wrote:
> From: Austin Kim <austin.kim@lge.com>
>
> Add invalid input check expression when 'crashkernel=0' is specified
> running kdump.
>
> Signed-off-by: Austin Kim <austin.kim@lge.com>
Thanks, this looks fine. Please send it to the patch system, link
in my signature below. Thanks.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH v2] arm: kdump: add invalid input check for 'crashkernel=0'
2022-03-31 13:05 ` Russell King (Oracle)
@ 2022-03-31 20:16 ` Austin Kim
0 siblings, 0 replies; 3+ messages in thread
From: Austin Kim @ 2022-03-31 20:16 UTC (permalink / raw)
To: Russell King (Oracle)
Cc: Arnd Bergmann, linux-arm-kernel, Linux Kernel Mailing List,
김동현,
Paran Lee
2022년 3월 31일 (목) 오후 10:05, Russell King (Oracle) <linux@armlinux.org.uk>님이 작성:
>
> On Thu, Mar 31, 2022 at 12:24:16PM +0100, Austin Kim wrote:
> > From: Austin Kim <austin.kim@lge.com>
> >
> > Add invalid input check expression when 'crashkernel=0' is specified
> > running kdump.
> >
> > Signed-off-by: Austin Kim <austin.kim@lge.com>
>
> Thanks, this looks fine. Please send it to the patch system, link
> in my signature below. Thanks.
Will send it to the patch
system(https://www.armlinux.org.uk/developer/patches/),
thanks!
BR,
Austin Kim
>
> --
> RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
> FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2022-03-31 20:16 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2022-03-31 11:24 [PATCH v2] arm: kdump: add invalid input check for 'crashkernel=0' Austin Kim
2022-03-31 13:05 ` Russell King (Oracle)
2022-03-31 20:16 ` Austin Kim
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