Re: livepatch: robustify klp_register_patch() API error checking

[Jessica Yu]

+++ Jiri Kosina [07/04/16 18:06 +0200]:
> From: Jiri Kosina <jkosina@xxxxxxx>
>
> Commit 425595a7fc20 ("livepatch: reuse module loader code to write
> relocations") adds a possibility of dereferncing pointers supplied by the
> consumer of the livepatch API before sanity (NULL) checking them (patch
> and patch->mod).
>
> Spotted by smatch tool.
>
> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Signed-off-by: Jiri Kosina <jkosina@xxxxxxx>

Acked-by: Jessica Yu <jeyu@xxxxxxxxxx>

Thank you Jiri!