[PATCH AUTOSEL 6.7 82/88] drm/amdkfd: Fix iterator used outside loop in 'kfd_add_peer_prop()'

Sasha Levin
2024-01-22T15:02:02Z

From: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>

[ Upstream commit b1a428b45dc7e47c7acc2ad0d08d8a6dda910c4c ]

Fix the following about iterator use:
drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c:1456 kfd_add_peer_prop() warn: iterator used outside loop: 'iolink3'

Cc: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 24 ++++++++++++-----------
1 file changed, 13 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index 057284bf50bb..d18dff7bb889 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -1449,17 +1449,19 @@ static int kfd_add_peer_prop(struct kfd_topology_device *kdev,
/* CPU->CPU link*/
cpu_dev = kfd_topology_device_by_proximity_domain(iolink1->node_to);
if (cpu_dev) {
- list_for_each_entry(iolink3, &cpu_dev->io_link_props, list)
- if (iolink3->node_to == iolink2->node_to)
- break;
-
- props->weight += iolink3->weight;
- props->min_latency += iolink3->min_latency;
- props->max_latency += iolink3->max_latency;
- props->min_bandwidth = min(props->min_bandwidth,
- iolink3->min_bandwidth);
- props->max_bandwidth = min(props->max_bandwidth,
- iolink3->max_bandwidth);
+ list_for_each_entry(iolink3, &cpu_dev->io_link_props, list) {
+ if (iolink3->node_to != iolink2->node_to)
+ continue;
+
+ props->weight += iolink3->weight;
+ props->min_latency += iolink3->min_latency;
+ props->max_latency += iolink3->max_latency;
+ props->min_bandwidth = min(props->min_bandwidth,
+ iolink3->min_bandwidth);
+ props->max_bandwidth = min(props->max_bandwidth,
+ iolink3->max_bandwidth);
+ break;
+ }
} else {
WARN(1, "CPU node not found");
}
--
2.43.0