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ALSA: ump: Don't open legacy substream for an inactive group
authorTakashi Iwai <tiwai@suse.de>
Fri, 29 Nov 2024 09:45:42 +0000 (10:45 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 2 Jan 2025 09:34:17 +0000 (10:34 +0100)
commitfc98df1d7a9e58fd29590eebccb2d5013e2053ea
tree2b59f298ce982c4167937a9a4ee2a48f2f1fcda0tree
parent0a65d850c45dee422310a2ca9e888edacf0b0f90commit | diff
ALSA: ump: Don't open legacy substream for an inactive group

[ Upstream commit 3978d53df7236f0a517c2abeb43ddf6ac162cdd8 ]

When a UMP Group is inactive, we shouldn't allow users to access it
via the legacy MIDI access.  Add the group active flag check and
return -ENODEV if it's inactive.

Link: https://patch.msgid.link/20241129094546.32119-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
sound/core/ump.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git