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

Greg Kroah-Hartman
2019-06-01T16:20:43Z

On Sat, Jun 01, 2019 at 09:25:48AM -0400, Sasha Levin wrote:
> From: Kangjie Lu <kjlu@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@umn.edu>
> Cc: Aditya Pakki <pakki001@umn.edu>
> Cc: Finn Thain <fthain@telegraphics.com.au>
> Cc: Rob Herring <robh@kernel.org>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> [b.zolnierkie: minor patch summary fixup]
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
> Signed-off-by: Sasha Levin <sashal@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