From: Sudeep Holla Date: Fri, 29 Apr 2022 11:39:43 +0000 (+0100) Subject: firmware: arm_ffa: Fix uuid parameter to ffa_partition_probe X-Git-Tag: v5.17.14~266 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5d2387e8ba0cd528b7fc4cac186c8fdf7f26148c;p=thirdparty%2Fkernel%2Fstable.git firmware: arm_ffa: Fix uuid parameter to ffa_partition_probe [ Upstream commit f3c45c045e25ed52461829d2ce07954f72b6ad15 ] While we pass uuid_null intentionally to ffa_partition_probe in ffa_setup_partitions to get the count of the partitions, it must not be uuid_null in ffa_partition_info_get which is used by the ffa_drivers to fetch the specific partition info passing the UUID of the partition. Fix ffa_partition_info_get by passing the received uuid down to ffa_partition_probe so that the correct partition information is fetched. Link: https://lore.kernel.org/r/20220429113946.2087145-1-sudeep.holla@arm.com Fixes: d0c0bce83122 ("firmware: arm_ffa: Setup in-kernel users of FFA partitions") Reported-by: Arunachalam Ganapathy Signed-off-by: Sudeep Holla Signed-off-by: Sasha Levin --- diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c index 14f900047ac0c..8fa1785afd42a 100644 --- a/drivers/firmware/arm_ffa/driver.c +++ b/drivers/firmware/arm_ffa/driver.c @@ -582,7 +582,7 @@ static int ffa_partition_info_get(const char *uuid_str, return -ENODEV; } - count = ffa_partition_probe(&uuid_null, &pbuf); + count = ffa_partition_probe(&uuid, &pbuf); if (count <= 0) return -ENOENT;