On Sat, 26 Nov 2022 at 09:01, Dan Carpenter <error27@xxxxxxxxx> wrote: > > On Sat, Nov 26, 2022 at 09:25:58AM +0800, Jiasheng Jiang wrote: > > As the alloc_ordered_workqueue may return NULL pointer, > > it should be better to add check for the return > > value. > > Moreover, the msb->io_queue should be freed if error occurs later. > > > > Fixes: 0ab30494bc4f ("memstick: add support for legacy memorysticks") > > Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx> > > --- > > Changelog: > > > > v1 -> v2: > > > > 1. Assign error number to rc if alloc_ordered_workqueue fails. > > 2. Free msb->io_queue if error occurs later. > > --- > > My other question about this driver, not really directed to you but to > anyone on the list is where the final destroy_workqueue(msb->io_queue) > is when we unload the driver. Good point, it's simply missing somewhere in the path of the ->remove() callback. Kind regards Uffe