Patch "USB: gadget: f_mass_storage: Fix unused variable warning" has been added to the 6.1-stable tree

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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 6.1-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-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit db7bcbe3b6b447c3abddb8e1f7def5e9aae8536c
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 3abf7f586e2af..7b9a4cf9b100c 100644
--- a/drivers/usb/gadget/function/f_mass_storage.c
+++ b/drivers/usb/gadget/function/f_mass_storage.c
@@ -926,7 +926,7 @@ 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);



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