diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-23 17:38:08 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-23 17:38:08 +0300 |
commit | e3e9fc7fa7ad221cc2e7b207d514cc84ed393251 (patch) | |
tree | 7de34df1844075bd3ed0391546d74ae9dab5fcae /drivers/usb/gadget/function/f_fs.c | |
parent | dd2f003e4e85b154754d5a83e0c3b1b517d1f802 (diff) | |
parent | 2241ab53cbb5cdb08a6b2d4688feb13971058f65 (diff) | |
download | linux-e3e9fc7fa7ad221cc2e7b207d514cc84ed393251.tar.xz |
Merge 6.2-rc5 into usb-next
We need the USB fixes in here and this resolves merge conflicts as
reported in linux-next in the following files:
drivers/usb/host/xhci.c
drivers/usb/host/xhci.h
drivers/usb/typec/ucsi/ucsi.c
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/gadget/function/f_fs.c')
-rw-r--r-- | drivers/usb/gadget/function/f_fs.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 1221f0d1b1a9..b9dd4881928c 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -279,6 +279,9 @@ static int __ffs_ep0_queue_wait(struct ffs_data *ffs, char *data, size_t len) struct usb_request *req = ffs->ep0req; int ret; + if (!req) + return -EINVAL; + req->zero = len < le16_to_cpu(ffs->ev.setup.wLength); spin_unlock_irq(&ffs->ev.waitq.lock); @@ -1892,10 +1895,14 @@ static void functionfs_unbind(struct ffs_data *ffs) ENTER(); if (!WARN_ON(!ffs->gadget)) { + /* dequeue before freeing ep0req */ + usb_ep_dequeue(ffs->gadget->ep0, ffs->ep0req); + mutex_lock(&ffs->mutex); usb_ep_free_request(ffs->gadget->ep0, ffs->ep0req); ffs->ep0req = NULL; ffs->gadget = NULL; clear_bit(FFS_FL_BOUND, &ffs->flags); + mutex_unlock(&ffs->mutex); ffs_data_put(ffs); } } |