Hello Andrzej Hajda, The patch 7d459937dc09: "[media] Add driver for Samsung S5K5BAF camera sensor" from Dec 5, 2013, leads to the following static checker warning: drivers/media/i2c/s5k5baf.c:1043 s5k5baf_set_power() warn: add some parenthesis here? drivers/media/i2c/s5k5baf.c 1036 static int s5k5baf_set_power(struct v4l2_subdev *sd, int on) 1037 { 1038 struct s5k5baf *state = to_s5k5baf(sd); 1039 int ret = 0; 1040 1041 mutex_lock(&state->lock); 1042 1043 if (!on != state->power) ^^^^^^^^^^^^^^^^^^^ This would be cleaner if it were "if (on == state->power)" 1044 goto out; 1045 1046 if (on) { regards, dan carpenter -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html