From 410689432880e5c6285b58d1d8489d99ee14b5f4 Mon Sep 17 00:00:00 2001 From: Balint Dobszay Date: Thu, 1 Jun 2023 16:07:49 +0200 Subject: [PATCH] firmware: arm_ffa: Set handle field to zero in memory descriptor [ 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 Signed-off-by: Balint Dobszay Link: https://lore.kernel.org/r/20230601140749.93812-1-balint.dobszay@arm.com Signed-off-by: Sudeep Holla Signed-off-by: Sasha Levin --- 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 5904a67..c37e8235 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; -- 2.7.4