[PATCH AUTOSEL 4.4 44/56] video: imsttfb: fix potential NULL pointer dereferences

[Greg Kroah-Hartman]

On Sat, Jun 01, 2019 at 09:25:48AM -0400, Sasha Levin wrote:
> From: Kangjie Lu <kjlu at umn.edu>
> 
> [ Upstream commit 1d84353d205a953e2381044953b7fa31c8c9702d ]
> 
> In case ioremap fails, the fix releases resources and returns
> -ENOMEM to avoid NULL pointer dereferences.
> 
> Signed-off-by: Kangjie Lu <kjlu at umn.edu>
> Cc: Aditya Pakki <pakki001 at umn.edu>
> Cc: Finn Thain <fthain at telegraphics.com.au>
> Cc: Rob Herring <robh at kernel.org>
> Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
> [b.zolnierkie: minor patch summary fixup]
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie at samsung.com>
> Signed-off-by: Sasha Levin <sashal at kernel.org>
> ---
>  drivers/video/fbdev/imsttfb.c | 5 +++++
>  1 file changed, 5 insertions(+)

Why only 4.4.y?  Shouldn't this be queued up for everything or none?

thanks,

greg k-h