Displaying 2 results from an estimated 2 matches for "_prev_".
2018 Feb 13
2
[drm-nouveau-mmu] question about potential NULL pointer dereference
...size += next->size;
983 rb_erase(&next->tree, &vmm->root);
984 list_del(&next->head);
985 kfree(next);
986 }
987 }
988}
The issue here is that in case _node_ returns NULL, _prev_ is not
being null checked, hence there is a potential null pointer
dereference at line 970.
Notice that _next_ is being null checked at line 980, so I wonder if
_prev_ should be checked the same as _next_.
The fact that both _next_ and next->part are null checked, makes me
wonder if in...
2018 Feb 13
0
[drm-nouveau-mmu] question about potential NULL pointer dereference
...rb_erase(&next->tree, &vmm->root);
> 984 list_del(&next->head);
> 985 kfree(next);
> 986 }
> 987 }
> 988}
>
> The issue here is that in case _node_ returns NULL, _prev_ is not being null
> checked, hence there is a potential null pointer dereference at line 970.
>
> Notice that _next_ is being null checked at line 980, so I wonder if _prev_
> should be checked the same as _next_.
>
> The fact that both _next_ and next->part are null checked, m...