ACK: [SRU] [H/U/OEM-5.10] [PATCH 0/1] Fix kernel panic on non-PCI efifb

Tim Gardner tim.gardner at canonical.com
Thu Apr 15 11:22:32 UTC 2021


Acked-by: Tim Gardner <tim.gardner at canonical.com>

On 4/14/21 9:01 AM, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1922403
> 
> [Impact]
> Kernel panic at boot time on RPi4 UEFI and Hyper-V.
> 
> [Fix]
> efifb isn't neccessarily a PCI device, so check that before using it.
> 
> [Test]
> Boot Hirsute kernel on Hyper-V.
> With the fix applied, no more kernel panic at boot.
> 
> [Where problems could occur]
> Nothing really. The NULL check should've done in the first place.
> 
> Kai-Heng Feng (1):
>    UBUNTU: SAUCE: efifb: Check efifb_pci_dev before using it
> 
>   drivers/video/fbdev/efifb.c | 6 ++++--
>   1 file changed, 4 insertions(+), 2 deletions(-)
> 

-- 
-----------
Tim Gardner
Canonical, Inc



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