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V4L/DVB (11393): radio-si470x: fix possible bug with freeing memory order 

Patch fixes cleanup procedure in si470x_usb_driver_probe. Add new label
err_video and change order of freeing memory.

Signed-off-by: Alexey Klimov <klimov.linux@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
hifive-unleashed-5.1
Alexey Klimov 2009-03-31 21:01:04 -03:00 committed by Mauro Carvalho Chehab
parent b7732a32af
commit 81d1d09f92
1 changed files with 5 additions and 4 deletions
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9
drivers/media/radio/radio-si470x.c
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@ -1686,7 +1686,7 @@ static int si470x_usb_driver_probe(struct usb_interface *intf,
/* show some infos about the specific si470x device */
if (si470x_get_all_registers(radio) < 0) {
retval = -EIO;
goto err_all;
goto err_video;
}
printk(KERN_INFO DRIVER_NAME ": DeviceID=0x%4.4hx ChipID=0x%4.4hx\n",
radio->registers[DEVICEID], radio->registers[CHIPID]);
@ -1694,7 +1694,7 @@ static int si470x_usb_driver_probe(struct usb_interface *intf,
/* get software and hardware versions */
if (si470x_get_scratch_page_versions(radio) < 0) {
retval = -EIO;
goto err_all;
goto err_video;
}
printk(KERN_INFO DRIVER_NAME
": software version %d, hardware version %d\n",
@ -1727,7 +1727,7 @@ static int si470x_usb_driver_probe(struct usb_interface *intf,
radio->buffer = kmalloc(radio->buf_size, GFP_KERNEL);
if (!radio->buffer) {
retval = -EIO;
goto err_all;
goto err_video;
}
/* rds buffer configuration */
@ -1749,8 +1749,9 @@ static int si470x_usb_driver_probe(struct usb_interface *intf,
return 0;
err_all:
video_device_release(radio->videodev);
kfree(radio->buffer);
err_video:
video_device_release(radio->videodev);
err_radio:
kfree(radio);
err_initial: