Re: [PATCH] HID: roccat: free buffered reports when destroying device
Jiri Kosina <[email protected]> Mon, 3 Aug 2026 20:55:00 +0200 (CEST)
| Newsgroups | org.kernel.vger.linux-input,org.kernel.vger.linux-kernel,org.kernel.vger.stable |
|---|---|
| Message-ID | <[email protected]> |
On Fri, 31 Jul 2026, raoxu wrote: > From: Xu Rao <[email protected]> > > roccat_report_event() duplicates each report with kmemdup() and stores > the allocation in a circular-buffer slot. The allocation is released only > when that slot is reused. > > The device destruction paths free struct roccat_device without releasing > reports still stored in cbuf[]. This makes those allocations unreachable > and leaks up to ROCCAT_CBUF_SIZE report buffers per device. > > Add a small destructor that frees every buffered report before freeing the > device, and use it in both paths that can destroy a registered device. > > Fixes: 206f5f2fcb5f ("HID: roccat: propagate special events of roccat hardware to userspace") > Cc: [email protected] > Signed-off-by: Xu Rao <[email protected]> Applied, thanks. -- Jiri Kosina SUSE Labs