Commit 5f8238cb authored by Alan Stern's avatar Alan Stern Committed by sanglipeng
Browse files

USB: gadget: f_mass_storage: Fix unused variable warning 

stable inclusion
from stable-v5.10.195
commit 44c71cbe7c5ac10390aef02ff2dd3965ba281660
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I95JOC

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=44c71cbe7c5ac10390aef02ff2dd3965ba281660



--------------------------------

[ Upstream commit 55c3e571 ]

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: default avatarAlan Stern <stern@rowland.harvard.edu>
Fixes: d5e2b67a ("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: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
Signed-off-by: default avatarsanglipeng <sanglipeng1@jd.com>
parent 45a66cf6

drivers/usb/gadget/function/f_mass_storage.c

+1 −1
Original line number Diff line number Diff line
@@ -951,7 +951,7 @@ 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);