Re: [PATCH] alpha: add null pointer check

[Al Viro]

On Sat, Apr 02, 2022 at 08:34:36AM +0000, cgel.zte@xxxxxxxxx wrote:
> From: Lv Ruyi <lv.ruyi@xxxxxxxxxx>
> 
> kmalloc is a memory allocation function which can return NULL when some
> internal memory errors happen. Add null pointer check to avoid
> dereferencing null pointer.

Why is that fix correct?  The only caller (module_frob_arch_sections())
has no way to tell we'd failed.  _IF_ ignoring the failure is the right
thing to do, the analysis needs to be covered in commit message.