This patch fixes an "off-by-one" bug found in
581791f5c7a480b2cc3431af9a6e799ffd51eb5e.
During gfs_bind/gfs_unbind the functionfs_bind/functionfs_unbind should be
called for every functionfs instance. With the "i" pre-decremented they
were not called for the zeroth instance.

Signed-off-by: Andrzej Pietrasiewicz <andrze...@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
Cc: <sta...@vger.kernel.org>

---
 drivers/usb/gadget/g_ffs.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/g_ffs.c b/drivers/usb/gadget/g_ffs.c
index d3ace90..919177b 100644
--- a/drivers/usb/gadget/g_ffs.c
+++ b/drivers/usb/gadget/g_ffs.c
@@ -358,7 +358,7 @@ static int gfs_bind(struct usb_composite_dev *cdev)
        if (unlikely(ret < 0))
                goto error;
 
-       for (i = func_num; --i; ) {
+       for (i = func_num; i--; ) {
                ret = functionfs_bind(ffs_tab[i].ffs_data, cdev);
                if (unlikely(ret < 0)) {
                        while (++i < func_num)
@@ -413,7 +413,7 @@ static int gfs_unbind(struct usb_composite_dev *cdev)
                gether_cleanup();
        gfs_ether_setup = false;
 
-       for (i = func_num; --i; )
+       for (i = func_num; i--; )
                if (ffs_tab[i].ffs_data)
                        functionfs_unbind(ffs_tab[i].ffs_data);
 
-- 
1.7.0.4

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