This is a note to let you know that I've just added the patch titled
ASoC: SOF: Intel: hda-ipc: fix reply size checking
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
asoc-sof-intel-hda-ipc-fix-reply-size-checking.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 8553794bf9c43c4daf3d27c009985ca298f548ea
Author: Guennadi Liakhovetski <guennadi.liakhovetski@xxxxxxxxxxxxxxx>
Date: Mon Aug 2 10:17:49 2021 -0500
ASoC: SOF: Intel: hda-ipc: fix reply size checking
[ Upstream commit 973b393fdf073a4ebd8d82ef6edea99fedc74af9 ]
Checking that two values don't have common bits makes no sense,
strict equality is meant.
Fixes: f3b433e4699f ("ASoC: SOF: Implement Probe IPC API")
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@xxxxxxxxxxxxxxx>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210802151749.15417-1-pierre-louis.bossart@xxxxxxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/sound/soc/sof/intel/hda-ipc.c b/sound/soc/sof/intel/hda-ipc.c
index c91aa951df22..acfeca42604c 100644
--- a/sound/soc/sof/intel/hda-ipc.c
+++ b/sound/soc/sof/intel/hda-ipc.c
@@ -107,8 +107,8 @@ void hda_dsp_ipc_get_reply(struct snd_sof_dev *sdev)
} else {
/* reply correct size ? */
if (reply.hdr.size != msg->reply_size &&
- /* getter payload is never known upfront */
- !(reply.hdr.cmd & SOF_IPC_GLB_PROBE)) {
+ /* getter payload is never known upfront */
+ ((reply.hdr.cmd & SOF_GLB_TYPE_MASK) != SOF_IPC_GLB_PROBE)) {
dev_err(sdev->dev, "error: reply expected %zu got %u bytes\n",
msg->reply_size, reply.hdr.size);
ret = -EINVAL;
