kernel_samsung_a53x/drivers/rpmsg
Jonathan Marek 74aba68dc8 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: b4f8e52b89f6 ("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>
2024-12-17 13:24:13 +01:00
..
Kconfig Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Makefile Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mtk_rpmsg.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
qcom_glink_native.c rpmsg: glink: use only lower 16-bits of param2 for CMD_OPEN name length 2024-12-17 13:24:13 +01:00
qcom_glink_native.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
qcom_glink_rpm.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
qcom_glink_smem.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
qcom_glink_ssr.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
qcom_smd.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
rpmsg_char.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
rpmsg_core.c rpmsg: Fix possible refcount leak in rpmsg_register_device_override() 2024-11-18 10:58:46 +01:00
rpmsg_internal.h rpmsg: Fix calling device_lock() on non-initialized device 2024-11-18 10:58:46 +01:00
virtio_rpmsg_bus.c rpmsg: virtio: Free driver_override when rpmsg_remove() 2024-11-18 12:12:56 +01:00