From: Balint Dobszay balint.dobszay@arm.com
[ Upstream commit 3aa0519a4780f1b8e11966bd879d4a2934ba455f ]
As described in the commit 111a833dc5cb ("firmware: arm_ffa: Set reserved/MBZ fields to zero in the memory descriptors") some fields in the memory descriptor have to be zeroed explicitly. The handle field is one of these, but it was left out from that change, fix this now.
Fixes: 111a833dc5cb ("firmware: arm_ffa: Set reserved/MBZ fields to zero in the memory descriptors") Reported-by: Imre Kis imre.kis@arm.com Signed-off-by: Balint Dobszay balint.dobszay@arm.com Link: https://lore.kernel.org/r/20230601140749.93812-1-balint.dobszay@arm.com Signed-off-by: Sudeep Holla sudeep.holla@arm.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/firmware/arm_ffa/driver.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c index 5904a679d3512..c37e823590055 100644 --- a/drivers/firmware/arm_ffa/driver.c +++ b/drivers/firmware/arm_ffa/driver.c @@ -505,6 +505,7 @@ ffa_setup_and_transmit(u32 func_id, void *buffer, u32 max_fragsize, ep_mem_access->flag = 0; ep_mem_access->reserved = 0; } + mem_region->handle = 0; mem_region->reserved_0 = 0; mem_region->reserved_1 = 0; mem_region->ep_count = args->nattrs;