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| author | Peter Korsgaard <peter.korsgaard@barco.com> | 2012-05-03 12:58:49 +0200 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2012-05-04 15:53:09 +0300 |
| commit | 4f06539ffa1948f1d2623f549136c87e33dc1d75 (patch) | |
| tree | ac9a7e319383bbc7e3bed24f9d7b4c6b2adb86a1 /drivers/usb/gadget/f_fs.c | |
| parent | b4036ccdd2ce5ec0c4f29b91312dd3cf19fc9152 (diff) | |
| download | linux-4f06539ffa1948f1d2623f549136c87e33dc1d75.tar.gz linux-4f06539ffa1948f1d2623f549136c87e33dc1d75.tar.bz2 linux-4f06539ffa1948f1d2623f549136c87e33dc1d75.zip | |
f_fs: ffs_func_free: cleanup requests allocated by autoconfig
functionfs was leaking request objects created by autoconfig.
Signed-off-by: Peter Korsgaard <peter.korsgaard@barco.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/f_fs.c')
| -rw-r--r-- | drivers/usb/gadget/f_fs.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index f52cb1ae45d9..1d4c535671a7 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -1473,8 +1473,22 @@ static int functionfs_bind_config(struct usb_composite_dev *cdev, static void ffs_func_free(struct ffs_function *func) { + struct ffs_ep *ep = func->eps; + unsigned count = func->ffs->eps_count; + unsigned long flags; + ENTER(); + /* cleanup after autoconfig */ + spin_lock_irqsave(&func->ffs->eps_lock, flags); + do { + if (ep->ep && ep->req) + usb_ep_free_request(ep->ep, ep->req); + ep->req = NULL; + ++ep; + } while (--count); + spin_unlock_irqrestore(&func->ffs->eps_lock, flags); + ffs_data_put(func->ffs); kfree(func->eps); |