4.14-stable review patch. If anyone has any objections, please let me know.
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From: Alan Stern stern@rowland.harvard.edu
[ 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@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.harva... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 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);