diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2015-09-01 16:35:24 +0300 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2015-09-01 16:35:24 +0300 |
| commit | 067e2601d3c076abbf45db91261f9065eaa879b2 (patch) | |
| tree | 86c8d4b913873dbd3b4ff23562a3a8597984b4df /drivers/usb/gadget/function/f_fs.c | |
| parent | 3e097d1271ecdff2f251a54ddfc5eaa1f9821e96 (diff) | |
| parent | 931830aa5c251e0803523213428f777a48bde254 (diff) | |
| download | linux-067e2601d3c076abbf45db91261f9065eaa879b2.tar.xz | |
Merge branch 'for-4.3/gembird' into for-linus
Diffstat (limited to 'drivers/usb/gadget/function/f_fs.c')
| -rw-r--r-- | drivers/usb/gadget/function/f_fs.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 3507f880eb74..6e7be91e6097 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -924,7 +924,8 @@ static ssize_t ffs_epfile_write_iter(struct kiocb *kiocb, struct iov_iter *from) kiocb->private = p; - kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); + if (p->aio) + kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); res = ffs_epfile_io(kiocb->ki_filp, p); if (res == -EIOCBQUEUED) @@ -968,7 +969,8 @@ static ssize_t ffs_epfile_read_iter(struct kiocb *kiocb, struct iov_iter *to) kiocb->private = p; - kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); + if (p->aio) + kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); res = ffs_epfile_io(kiocb->ki_filp, p); if (res == -EIOCBQUEUED) @@ -3435,6 +3437,7 @@ done: static void ffs_closed(struct ffs_data *ffs) { struct ffs_dev *ffs_obj; + struct f_fs_opts *opts; ENTER(); ffs_dev_lock(); @@ -3449,8 +3452,13 @@ static void ffs_closed(struct ffs_data *ffs) ffs_obj->ffs_closed_callback) ffs_obj->ffs_closed_callback(ffs); - if (!ffs_obj->opts || ffs_obj->opts->no_configfs - || !ffs_obj->opts->func_inst.group.cg_item.ci_parent) + if (ffs_obj->opts) + opts = ffs_obj->opts; + else + goto done; + + if (opts->no_configfs || !opts->func_inst.group.cg_item.ci_parent + || !atomic_read(&opts->func_inst.group.cg_item.ci_kref.refcount)) goto done; unregister_gadget_item(ffs_obj->opts-> |