diff options
Diffstat (limited to 'drivers/usb/gadget/file_storage.c')
| -rw-r--r-- | drivers/usb/gadget/file_storage.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c index 90233f4f360..ee712a5715e 100644 --- a/drivers/usb/gadget/file_storage.c +++ b/drivers/usb/gadget/file_storage.c @@ -3138,7 +3138,9 @@ static ssize_t show_ro(struct device *dev, struct device_attribute *attr, char * { struct fsg_lun *curlun = fsg_lun_from_dev(dev); - return sprintf(buf, "%d\n", curlun->ro); + return sprintf(buf, "%d\n", fsg_lun_is_open(curlun) + ? curlun->ro + : curlun->initially_ro); } static ssize_t show_file(struct device *dev, struct device_attribute *attr, @@ -3188,6 +3190,7 @@ static ssize_t store_ro(struct device *dev, struct device_attribute *attr, rc = -EBUSY; } else { curlun->ro = !!i; + curlun->initially_ro = !!i; LDBG(curlun, "read-only status set to %d\n", curlun->ro); } up_read(&fsg->filesem); @@ -3433,9 +3436,10 @@ static int __init fsg_bind(struct usb_gadget *gadget) for (i = 0; i < fsg->nluns; ++i) { curlun = &fsg->luns[i]; - curlun->ro = mod_data.ro[i]; - if (mod_data.cdrom) - curlun->ro = 1; + curlun->cdrom = !!mod_data.cdrom; + curlun->ro = mod_data.cdrom || mod_data.ro[i]; + curlun->initially_ro = curlun->ro; + curlun->removable = mod_data.removable; curlun->dev.release = lun_release; curlun->dev.parent = &gadget->dev; curlun->dev.driver = &fsg_driver.driver; |