From 880102898f19cf9f9ba36dc9d838b5476645ce00 Mon Sep 17 00:00:00 2001 From: Sylwester Nawrocki Date: Sun, 6 Nov 2011 16:31:43 -0300 Subject: [PATCH] [media] staging: as102: Fix the dvb device registration error path Release already acquired resources when error happens during devices registration steps. Use dev_err() where struct device is available, instead of driver specific err(). Cc: Devin Heitmueller Signed-off-by: Sylwester Nawrocki Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/media/as102/as102_drv.c | 48 +++++++++++++------------ 1 file changed, 25 insertions(+), 23 deletions(-) diff --git a/drivers/staging/media/as102/as102_drv.c b/drivers/staging/media/as102/as102_drv.c index 85f58b95c315..e77590022bcc 100644 --- a/drivers/staging/media/as102/as102_drv.c +++ b/drivers/staging/media/as102/as102_drv.c @@ -195,19 +195,16 @@ static int as102_dvb_dmx_stop_feed(struct dvb_demux_feed *dvbdmxfeed) int as102_dvb_register(struct as102_dev_t *as102_dev) { - int ret = 0; - ENTER(); + struct device *dev = &as102_dev->bus_adap.usb_dev->dev; + int ret; ret = dvb_register_adapter(&as102_dev->dvb_adap, - as102_dev->name, - THIS_MODULE, - &as102_dev->bus_adap.usb_dev->dev, - adapter_nr - ); + as102_dev->name, THIS_MODULE, + dev, adapter_nr); if (ret < 0) { - err("%s: dvb_register_adapter() failed (errno = %d)", - __func__, ret); - goto failed; + dev_err(dev, "%s: dvb_register_adapter() failed: %d\n", + __func__, ret); + return ret; } as102_dev->dvb_dmx.priv = as102_dev; @@ -225,22 +222,22 @@ int as102_dvb_register(struct as102_dev_t *as102_dev) ret = dvb_dmx_init(&as102_dev->dvb_dmx); if (ret < 0) { - err("%s: dvb_dmx_init() failed (errno = %d)", __func__, ret); - goto failed; + dev_err("%s: dvb_dmx_init() failed: %d\n", __func__, ret); + goto edmxinit; } ret = dvb_dmxdev_init(&as102_dev->dvb_dmxdev, &as102_dev->dvb_adap); if (ret < 0) { - err("%s: dvb_dmxdev_init() failed (errno = %d)", __func__, - ret); - goto failed; + dev_err(dev, "%s: dvb_dmxdev_init() failed: %d\n", + __func__, ret); + goto edmxdinit; } ret = as102_dvb_register_fe(as102_dev, &as102_dev->dvb_fe); if (ret < 0) { - err("%s: as102_dvb_register_frontend() failed (errno = %d)", + dev_err(dev, "%s: as102_dvb_register_frontend() failed: %d", __func__, ret); - goto failed; + goto efereg; } /* init bus mutex for token locking */ @@ -256,16 +253,21 @@ int as102_dvb_register(struct as102_dev_t *as102_dev) if (fw_upload) try_then_request_module(as102_fw_upload(&as102_dev->bus_adap), "firmware_class"); -failed: - LEAVE(); - /* FIXME: free dvb_XXX */ + + pr_info("Registered device %s", as102_dev->name); + return 0; + +efereg: + dvb_dmxdev_release(&as102_dev->dvb_dmxdev); +edmxdinit: + dvb_dmx_release(&as102_dev->dvb_dmx); +edmxinit: + dvb_unregister_adapter(&as102_dev->dvb_adap); return ret; } void as102_dvb_unregister(struct as102_dev_t *as102_dev) { - ENTER(); - /* unregister as102 frontend */ as102_dvb_unregister_fe(&as102_dev->dvb_fe); @@ -276,7 +278,7 @@ void as102_dvb_unregister(struct as102_dev_t *as102_dev) /* unregister dvb adapter */ dvb_unregister_adapter(&as102_dev->dvb_adap); - LEAVE(); + pr_info("Unregistered device %s", as102_dev->name); } static int __init as102_driver_init(void) -- 2.20.1