Hello Mauro Carvalho Chehab, This is a semi-automatic email about new static checker warnings. The patch 15472faf1259: "[media] cx23885-dvb: use a better approach to hook set_frontend" from Aug 9, 2013, leads to the following Smatch complaint: drivers/media/pci/cx23885/cx23885-dvb.c:790 dvb_register() error: we previously assumed 'fe0->dvb.frontend' could be null (see line 784) drivers/media/pci/cx23885/cx23885-dvb.c 783 &i2c_bus->i2c_adap); 784 if (fe0->dvb.frontend != NULL) { ^^^^^^^^^^^^^^^^^^^^^^^^^ Existing check. 785 dvb_attach(tda18271_attach, fe0->dvb.frontend, 786 0x60, &dev->i2c_bus[1].i2c_adap, 787 &hauppauge_hvr127x_config); 788 } 789 if (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1275) 790 cx23885_set_frontend_hook(port, fe0->dvb.frontend); ^^^^^^^^^^^^^^^^^ Patch adds dereference. 791 break; 792 case CX23885_BOARD_HAUPPAUGE_HVR1255: 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