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 6.4-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-6.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 1dfe8675904f4108ea016b3f6d6aee8125f74d93
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 3a30feb47073f..e927d82f0890d 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);
