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>
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@ -1686,7 +1686,7 @@ static int si470x_usb_driver_probe(struct usb_interface *intf,
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/* show some infos about the specific si470x device */
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if (si470x_get_all_registers(radio) < 0) {
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retval = -EIO;
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goto err_all;
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goto err_video;
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}
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printk(KERN_INFO DRIVER_NAME ": DeviceID=0x%4.4hx ChipID=0x%4.4hx\n",
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radio->registers[DEVICEID], radio->registers[CHIPID]);
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@ -1694,7 +1694,7 @@ static int si470x_usb_driver_probe(struct usb_interface *intf,
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/* get software and hardware versions */
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if (si470x_get_scratch_page_versions(radio) < 0) {
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retval = -EIO;
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goto err_all;
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goto err_video;
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}
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printk(KERN_INFO DRIVER_NAME
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": software version %d, hardware version %d\n",
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@ -1727,7 +1727,7 @@ static int si470x_usb_driver_probe(struct usb_interface *intf,
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radio->buffer = kmalloc(radio->buf_size, GFP_KERNEL);
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if (!radio->buffer) {
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retval = -EIO;
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goto err_all;
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goto err_video;
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}
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/* rds buffer configuration */
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@ -1749,8 +1749,9 @@ static int si470x_usb_driver_probe(struct usb_interface *intf,
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return 0;
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err_all:
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video_device_release(radio->videodev);
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kfree(radio->buffer);
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err_video:
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video_device_release(radio->videodev);
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err_radio:
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kfree(radio);
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err_initial:
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