> > On Wed, May 19, 2021 at 08:00:28PM +0800, songqiang wrote:
> > Signed-off-by: songqiang
> From: "Matthew Wilcox "
> > You need to explain:
> >
> > - Why you think this patch is needed
> > - Did you observe a problem at runtime?
> > - Is this the output from some checking tool?
> > - Why this
I find null pointer bug when I debug the kernel of loongson in mips，I think the function fb_set_suspend() adding pointer judgment will more friendly.[ 101.409101] PM: hibernation entry [ 101.526365] PM: Syncing filesystems ... [ 101.543008] PM: done.[ 101.545287] Freezing user
I find null pointer bug when I debug the kernel of loongson，I think the function fb_set_suspend() add pointer judgment will more friendly.[ 101.409101] PM: hibernation entry [ 101.526365] PM: Syncing filesystems ... [ 101.543008] PM: done.[ 101.545287] Freezing user space
Signed-off-by: songqiang
---
drivers/video/fbdev/core/fbmem.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 072780b0e570..6036ab849475 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++
On Wed, May 19, 2021 at 08:00:28PM +0800, songqiang wrote:
> Signed-off-by: songqiang
> ---
You need to explain:
- Why you think this patch is needed
- Did you observe a problem at runtime?
- Is this the output from some checking tool?
- Why this is the right way to address the problem
