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authorMauro Carvalho Chehab <m.chehab@samsung.com>2014-07-27 16:27:29 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-07-27 16:54:21 -0300
commit184a82784d50ad82aadc3917a3bdd8314a0e9b9b (patch)
treec11c9d0e79a710a5e7d5957753d7fb94dac6d10f /drivers/media/usb
parentdcb78ac761488f59ac16c2e76534c567017ef57b (diff)
[media] cx231xx: use devm_ functions to allocate memory
The initialization is already too complex. Use devm_ functions to make the code simpler and easier to modify. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/usb')
-rw-r--r--drivers/media/usb/cx231xx/cx231xx-cards.c43
1 files changed, 13 insertions, 30 deletions
diff --git a/drivers/media/usb/cx231xx/cx231xx-cards.c b/drivers/media/usb/cx231xx/cx231xx-cards.c
index 38d8510f93c2..cd74310887af 100644
--- a/drivers/media/usb/cx231xx/cx231xx-cards.c
+++ b/drivers/media/usb/cx231xx/cx231xx-cards.c
@@ -964,12 +964,6 @@ void cx231xx_release_resources(struct cx231xx *dev)
/* Mark device as unused */
clear_bit(dev->devno, &cx231xx_devused);
-
- kfree(dev->video_mode.alt_max_pkt_size);
- kfree(dev->vbi_mode.alt_max_pkt_size);
- kfree(dev->sliced_cc_mode.alt_max_pkt_size);
- kfree(dev->ts1_mode.alt_max_pkt_size);
- kfree(dev);
}
/*
@@ -1158,16 +1152,16 @@ static int cx231xx_usb_probe(struct usb_interface *interface,
}
} while (test_and_set_bit(nr, &cx231xx_devused));
+ udev = usb_get_dev(interface_to_usbdev(interface));
+
/* allocate memory for our device state and initialize it */
- dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+ dev = devm_kzalloc(&udev->dev, sizeof(*dev), GFP_KERNEL);
if (dev == NULL) {
cx231xx_err(DRIVER_NAME ": out of memory!\n");
clear_bit(nr, &cx231xx_devused);
return -ENOMEM;
}
- udev = usb_get_dev(interface_to_usbdev(interface));
-
snprintf(dev->name, 29, "cx231xx #%d", nr);
dev->devno = nr;
dev->model = id->driver_info;
@@ -1270,9 +1264,8 @@ static int cx231xx_usb_probe(struct usb_interface *interface,
cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
dev->video_mode.end_point_addr,
dev->video_mode.num_alt);
- dev->video_mode.alt_max_pkt_size =
- kmalloc(32 * dev->video_mode.num_alt, GFP_KERNEL);
+ dev->video_mode.alt_max_pkt_size = devm_kmalloc_array(&udev->dev, 32, dev->video_mode.num_alt, GFP_KERNEL);
if (dev->video_mode.alt_max_pkt_size == NULL) {
cx231xx_errdev("out of memory!\n");
retval = -ENOMEM;
@@ -1294,7 +1287,7 @@ static int cx231xx_usb_probe(struct usb_interface *interface,
if (idx >= dev->max_iad_interface_count) {
cx231xx_errdev("VBI PCB interface #%d doesn't exist\n", idx);
retval = -ENODEV;
- goto err_vbi_alt;
+ goto err_video_alt;
}
uif = udev->actconfig->interface[idx];
@@ -1306,13 +1299,12 @@ static int cx231xx_usb_probe(struct usb_interface *interface,
cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
dev->vbi_mode.end_point_addr,
dev->vbi_mode.num_alt);
- dev->vbi_mode.alt_max_pkt_size =
- kmalloc(32 * dev->vbi_mode.num_alt, GFP_KERNEL);
+ dev->vbi_mode.alt_max_pkt_size = devm_kmalloc_array(&udev->dev, 32, dev->vbi_mode.num_alt, GFP_KERNEL);
if (dev->vbi_mode.alt_max_pkt_size == NULL) {
cx231xx_errdev("out of memory!\n");
retval = -ENOMEM;
- goto err_vbi_alt;
+ goto err_video_alt;
}
for (i = 0; i < dev->vbi_mode.num_alt; i++) {
@@ -1330,7 +1322,7 @@ static int cx231xx_usb_probe(struct usb_interface *interface,
if (idx >= dev->max_iad_interface_count) {
cx231xx_errdev("Sliced CC PCB interface #%d doesn't exist\n", idx);
retval = -ENODEV;
- goto err_sliced_cc_alt;
+ goto err_video_alt;
}
uif = udev->actconfig->interface[idx];
@@ -1342,13 +1334,12 @@ static int cx231xx_usb_probe(struct usb_interface *interface,
cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
dev->sliced_cc_mode.end_point_addr,
dev->sliced_cc_mode.num_alt);
- dev->sliced_cc_mode.alt_max_pkt_size =
- kmalloc(32 * dev->sliced_cc_mode.num_alt, GFP_KERNEL);
+ dev->sliced_cc_mode.alt_max_pkt_size = devm_kmalloc_array(&udev->dev, 32, dev->sliced_cc_mode.num_alt, GFP_KERNEL);
if (dev->sliced_cc_mode.alt_max_pkt_size == NULL) {
cx231xx_errdev("out of memory!\n");
retval = -ENOMEM;
- goto err_sliced_cc_alt;
+ goto err_video_alt;
}
for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) {
@@ -1366,7 +1357,7 @@ static int cx231xx_usb_probe(struct usb_interface *interface,
if (idx >= dev->max_iad_interface_count) {
cx231xx_errdev("TS1 PCB interface #%d doesn't exist\n", idx);
retval = -ENODEV;
- goto err_ts1_alt;
+ goto err_video_alt;
}
uif = udev->actconfig->interface[idx];
@@ -1378,13 +1369,12 @@ static int cx231xx_usb_probe(struct usb_interface *interface,
cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
dev->ts1_mode.end_point_addr,
dev->ts1_mode.num_alt);
- dev->ts1_mode.alt_max_pkt_size =
- kmalloc(32 * dev->ts1_mode.num_alt, GFP_KERNEL);
+ dev->ts1_mode.alt_max_pkt_size = devm_kmalloc_array(&udev->dev, 32, dev->ts1_mode.num_alt, GFP_KERNEL);
if (dev->ts1_mode.alt_max_pkt_size == NULL) {
cx231xx_errdev("out of memory!\n");
retval = -ENOMEM;
- goto err_ts1_alt;
+ goto err_video_alt;
}
for (i = 0; i < dev->ts1_mode.num_alt; i++) {
@@ -1411,12 +1401,6 @@ static int cx231xx_usb_probe(struct usb_interface *interface,
request_modules(dev);
return 0;
-err_ts1_alt:
- kfree(dev->sliced_cc_mode.alt_max_pkt_size);
-err_sliced_cc_alt:
- kfree(dev->vbi_mode.alt_max_pkt_size);
-err_vbi_alt:
- kfree(dev->video_mode.alt_max_pkt_size);
err_video_alt:
/* cx231xx_uninit_dev: */
cx231xx_close_extension(dev);
@@ -1432,7 +1416,6 @@ err_v4l2:
err_if:
usb_put_dev(udev);
clear_bit(dev->devno, &cx231xx_devused);
- kfree(dev);
return retval;
}