struct pw_rail_t is allocated as an array in function nvios_iccsense_parse,
and stored to a struct member of local variable. However, the array is not
freed when the local variable becomes invalid, and the reference is not
passed on, leading to a memory leak.
Fix this by freeing struct pw_rail_t when exiting nvkm_iccsense_oneinit.
Signed-off-by: Keita Suzuki <keitasuzuki.park@xxxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c
index fecfa6afcf54..8ba8d8e3f52a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c
@@ -280,8 +280,10 @@ nvkm_iccsense_oneinit(struct nvkm_subdev *subdev)
}
rail = kmalloc(sizeof(*rail), GFP_KERNEL);
- if (!rail)
+ if (!rail) {
+ kfree(stbl.rail);
return -ENOMEM;
+ }
rail->read = read;
rail->sensor = sensor;
@@ -291,6 +293,7 @@ nvkm_iccsense_oneinit(struct nvkm_subdev *subdev)
list_add_tail(&rail->head, &iccsense->rails);
}
}
+ kfree(stbl.rail);
return 0;
}
--
2.17.1
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