ALSA: usb-audio: Check max frame size for implicit feedback mode, too

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[ Upstream commit 7cb2a5422f ]

When the packet sizes are taken from the capture stream in the
implicit feedback mode, the sizes might be larger than the upper
boundary defined by the descriptor.  As already done for other
transfer modes, we have to cap the sizes accordingly at sending,
otherwise this would lead to an error in USB core at submission of
URBs.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=221076
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20260225085233.316306-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Takashi Iwai 2026-02-25 09:52:29 +01:00 • committed by Greg Kroah-Hartman

parent 0548529af2

commit 0a3844c5bf

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sound/usb/endpoint.c

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