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Diffstat (limited to 'include/media/v4l2-subdev.h')
-rw-r--r--include/media/v4l2-subdev.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 47af609dc8f1..349e1c18cf48 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -70,7 +70,7 @@ struct v4l2_decode_vbi_line {
* device. These devices are usually audio/video muxers/encoders/decoders or
* sensors and webcam controllers.
*
- * Usually these devices are controlled through an i2c bus, but other busses
+ * Usually these devices are controlled through an i2c bus, but other buses
* may also be used.
*
* The v4l2_subdev struct provides a way of accessing these devices in a
@@ -1093,13 +1093,14 @@ void v4l2_subdev_init(struct v4l2_subdev *sd,
*/
#define v4l2_subdev_call(sd, o, f, args...) \
({ \
+ struct v4l2_subdev *__sd = (sd); \
int __result; \
- if (!(sd)) \
+ if (!__sd) \
__result = -ENODEV; \
- else if (!((sd)->ops->o && (sd)->ops->o->f)) \
+ else if (!(__sd->ops->o && __sd->ops->o->f)) \
__result = -ENOIOCTLCMD; \
else \
- __result = (sd)->ops->o->f((sd), ##args); \
+ __result = __sd->ops->o->f(__sd, ##args); \
__result; \
})