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authorBen Skeggs <bskeggs@redhat.com>2016-05-26 10:04:52 +0300
committerBen Skeggs <bskeggs@redhat.com>2016-06-15 09:18:28 +0300
commit6aa85f1129b32b5cd19ec262e7cfc2ddc08263c3 (patch)
tree72a7b9e1c903319bbc02214f1240235e3773c535
parent539aae6e3af97c7ec1602ff23e805f2852c2611c (diff)
downloadlinux-6aa85f1129b32b5cd19ec262e7cfc2ddc08263c3.tar.xz
drm/nouveau/iccsense: fix memory leak
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c
index 323c79abe468..41bd5d0f7692 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c
@@ -276,6 +276,8 @@ nvkm_iccsense_oneinit(struct nvkm_subdev *subdev)
struct pwr_rail_t *r = &stbl.rail[i];
struct nvkm_iccsense_rail *rail;
struct nvkm_iccsense_sensor *sensor;
+ int (*read)(struct nvkm_iccsense *,
+ struct nvkm_iccsense_rail *);
if (!r->mode || r->resistor_mohm == 0)
continue;
@@ -284,31 +286,31 @@ nvkm_iccsense_oneinit(struct nvkm_subdev *subdev)
if (!sensor)
continue;
- rail = kmalloc(sizeof(*rail), GFP_KERNEL);
- if (!rail)
- return -ENOMEM;
-
switch (sensor->type) {
case NVBIOS_EXTDEV_INA209:
if (r->rail != 0)
continue;
- rail->read = nvkm_iccsense_ina209_read;
+ read = nvkm_iccsense_ina209_read;
break;
case NVBIOS_EXTDEV_INA219:
if (r->rail != 0)
continue;
- rail->read = nvkm_iccsense_ina219_read;
+ read = nvkm_iccsense_ina219_read;
break;
case NVBIOS_EXTDEV_INA3221:
if (r->rail >= 3)
continue;
- rail->read = nvkm_iccsense_ina3221_read;
+ read = nvkm_iccsense_ina3221_read;
break;
default:
continue;
}
+ rail = kmalloc(sizeof(*rail), GFP_KERNEL);
+ if (!rail)
+ return -ENOMEM;
sensor->rail_mask |= 1 << r->rail;
+ rail->read = read;
rail->sensor = sensor;
rail->idx = r->rail;
rail->mohm = r->resistor_mohm;