On Mon, Jun 15, 2020 at 05:41:19PM +0200, Takashi Iwai wrote: > From: Michał Mirosław <mirq-linux@xxxxxxxxxxxx> > > commit 951e2736f4b11b58dc44d41964fa17c3527d882a upstream. > > Prevent SNDRV_PCM_IOCTL_LINK linking stream to itself - the code > can't handle it. Fixed commit is not where bug was introduced, but > changes the context significantly. > > Cc: stable@xxxxxxxxxxxxxxx > Fixes: 0888c321de70 ("pcm_native: switch to fdget()/fdput()") > Signed-off-by: Michał Mirosław <mirq-linux@xxxxxxxxxxxx> > Link: https://lore.kernel.org/r/89c4a2487609a0ed6af3ecf01cc972bdc59a7a2d.1591634956.git.mirq-linux@xxxxxxxxxxxx > Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> > > --- > > Backported to 4.19.y. It can be used for older branches, too. Thanks, that worked. greg k-h