This is a note to let you know that I've just added the patch titled USB: gadget: f_mass_storage: Fix unused variable warning to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: usb-gadget-f_mass_storage-fix-unused-variable-warnin.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit e69e0b6c9a14a36297ab401e6f682710f7d28350 Author: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> Date: Fri Aug 11 13:47:04 2023 -0400 USB: gadget: f_mass_storage: Fix unused variable warning [ Upstream commit 55c3e571d2a0aabef4f1354604443f1c415d2e85 ] Fix a "variable set but not used" warning in f_mass_storage.c. rc is used if verbose debugging is enabled but not otherwise. Signed-off-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> Fixes: d5e2b67aae79 ("USB: g_mass_storage: template f_mass_storage.c file created") Link: https://lore.kernel.org/r/cfed16c7-aa46-494b-ba84-b0e0dc99be3a@xxxxxxxxxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c index 41b5baa1f43b7..6aee3cf50c747 100644 --- a/drivers/usb/gadget/function/f_mass_storage.c +++ b/drivers/usb/gadget/function/f_mass_storage.c @@ -952,7 +952,7 @@ static void invalidate_sub(struct fsg_lun *curlun) { struct file *filp = curlun->filp; struct inode *inode = file_inode(filp); - unsigned long rc; + unsigned long __maybe_unused rc; rc = invalidate_mapping_pages(inode->i_mapping, 0, -1); VLDBG(curlun, "invalidate_mapping_pages -> %ld\n", rc);