Re: [RESEND][PATCH] scsi: dc395x: fix a missing check on list iterator

Xiaomeng,

The bug is here: p->target_id, p->target_lun);

The list iterator 'p' will point to a bogus position containing HEAD if the list is empty or no element is found. This case must be checked before any use of the iterator, otherwise it will lead to a invalid memory access.

To fix this bug, add an check. Use a new variable 'iter' as the list iterator, while use the origin variable 'p' as a dedicated pointer to point to the found element.

Applied to 5.19/scsi-staging, thanks!