From 2de9eaefa7330b8e3d3fc5f31288cb1e826173a8 Mon Sep 17 00:00:00 2001 From: Alan Stern Date: Mon, 25 Sep 2006 14:31:15 -0400 Subject: [PATCH] USB: g_file_storage: fix "ignoring return value" warnings This patch (as792) fixes "ignoring return value" warnings in file_storage.c. Signed-off-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/file_storage.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c index 8d7f1e84cd7b..d472c9c29904 100644 --- a/drivers/usb/gadget/file_storage.c +++ b/drivers/usb/gadget/file_storage.c @@ -3873,21 +3873,26 @@ 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]; + curlun->dev.release = lun_release; curlun->dev.parent = &gadget->dev; curlun->dev.driver = &fsg_driver.driver; dev_set_drvdata(&curlun->dev, fsg); snprintf(curlun->dev.bus_id, BUS_ID_SIZE, "%s-lun%d", gadget->dev.bus_id, i); - if ((rc = device_register(&curlun->dev)) != 0) + if ((rc = device_register(&curlun->dev)) != 0) { INFO(fsg, "failed to register LUN%d: %d\n", i, rc); - else { - curlun->registered = 1; - curlun->dev.release = lun_release; - device_create_file(&curlun->dev, &dev_attr_ro); - device_create_file(&curlun->dev, &dev_attr_file); - kref_get(&fsg->ref); + goto out; + } + if ((rc = device_create_file(&curlun->dev, + &dev_attr_ro)) != 0 || + (rc = device_create_file(&curlun->dev, + &dev_attr_file)) != 0) { + device_unregister(&curlun->dev); + goto out; } + curlun->registered = 1; + kref_get(&fsg->ref); if (mod_data.file[i] && *mod_data.file[i]) { if ((rc = open_backing_file(curlun, -- 2.20.1