From 55c3e571d2a0aabef4f1354604443f1c415d2e85 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Fri, 11 Aug 2023 13:47:04 -0400
Subject: [PATCH] USB: gadget: f_mass_storage: Fix unused variable warning
Git-commit: 55c3e571d2a0aabef4f1354604443f1c415d2e85
Patch-mainline: v6.6-rc1
References: git-fixes
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@rowland.harvard.edu>
Fixes: d5e2b67aae79 ("USB: g_mass_storage: template f_mass_storage.c file created")
Link: https://lore.kernel.org/r/cfed16c7-aa46-494b-ba84-b0e0dc99be3a@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/usb/gadget/function/f_mass_storage.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c
index da07e45ae6df..722a3ab2b337 100644
--- a/drivers/usb/gadget/function/f_mass_storage.c
+++ b/drivers/usb/gadget/function/f_mass_storage.c
@@ -927,7 +927,7 @@ 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);
--
2.35.3