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| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2014-03-20 08:09:19 +0200 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2014-03-20 08:13:50 +0200 |
| commit | 17d5ca91cfc59ae91da5ff9da74ab09a9a2a17d9 (patch) | |
| tree | a45f944e15a2600ec20ca4ec11b23d4641095e8e /drivers/usb/gadget/f_fs.c | |
| parent | b7e4ab50418d5b34ab0dae95193dd71190e1fb50 (diff) | |
| parent | c86907b59f505863ec7839471e889330982a596e (diff) | |
Merge branch '3.15/dss-dt' into 3.15/fbdev
Merge OMAP DSS DT support
Diffstat (limited to 'drivers/usb/gadget/f_fs.c')
| -rw-r--r-- | drivers/usb/gadget/f_fs.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 306a2b52125c..2b4334394076 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -585,7 +585,6 @@ static ssize_t ffs_epfile_io(struct file *file, char __user *buf, size_t len, int read) { struct ffs_epfile *epfile = file->private_data; - struct usb_gadget *gadget = epfile->ffs->gadget; struct ffs_ep *ep; char *data = NULL; ssize_t ret, data_len; @@ -622,6 +621,12 @@ static ssize_t ffs_epfile_io(struct file *file, /* Allocate & copy */ if (!halt) { /* + * if we _do_ wait above, the epfile->ffs->gadget might be NULL + * before the waiting completes, so do not assign to 'gadget' earlier + */ + struct usb_gadget *gadget = epfile->ffs->gadget; + + /* * Controller may require buffer size to be aligned to * maxpacketsize of an out endpoint. */ |