sst-linux/drivers/rpmsg
Jonathan Marek a572eb5078 rpmsg: glink: use only lower 16-bits of param2 for CMD_OPEN name length
[ Upstream commit 06c59d97f63c1b8af521fa5aef8a716fb988b285 ]

The name len field of the CMD_OPEN packet is only 16-bits and the upper
16-bits of "param2" are a different "prio" field, which can be nonzero in
certain situations, and CMD_OPEN packets can be unexpectedly dropped
because of this.

Fix this by masking out the upper 16 bits of param2.

Fixes: b4f8e52b89 ("rpmsg: Introduce Qualcomm RPM glink driver")
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20241007235935.6216-1-jonathan@marek.ca
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-12-14 19:53:47 +01:00
..
Kconfig
Makefile
mtk_rpmsg.c
qcom_glink_native.c
qcom_glink_native.h
qcom_glink_rpm.c
qcom_glink_smem.c
qcom_glink_ssr.c
qcom_smd.c
rpmsg_char.c
rpmsg_char.h
rpmsg_core.c
rpmsg_ctrl.c
rpmsg_internal.h
rpmsg_ns.c
virtio_rpmsg_bus.c