pqn bound in list_for_each_entry loop will not be null, so there is no need to check whether pqn is NULL or not. Thus remove a redundant null pointer check. Signed-off-by: Lu Hongfei <luhongfei@xxxxxxxx> --- The filename of the previous version was: 0001-gpu-drm-amd-Fix-the-bug-in-list_for_each_entry-loops.patch The modifications made compared to the previous version are as follows: 1. Modified the patch title 2. "Thus remove a redundant null pointer check." is used instead of "We could remove this check." drivers/gpu/drm/amd/amdkfd/kfd_debug.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_debug.c b/drivers/gpu/drm/amd/amdkfd/kfd_debug.c index cd34e7aaead4..10d0cef844f0 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_debug.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_debug.c @@ -1097,9 +1097,6 @@ void kfd_dbg_set_enabled_debug_exception_mask(struct kfd_process *target, pqm = &target->pqm; list_for_each_entry(pqn, &pqm->queues, process_queue_list) { - if (!pqn) - continue; - found_mask |= pqn->q->properties.exception_status; } -- 2.39.0