linux/drivers/firmware/arm_ffa
Cristian Marussi ace760d9c0 firmware: arm_ffa: Use xa_insert() and check for result
While adding new partitions descriptors to the XArray the outcome of the
stores should be checked and, in particular, it has also to be ensured
that an existing entry with the same index was not already present, since
partitions IDs are expected to be unique.

Use xa_insert() instead of xa_store() since it returns -EBUSY when the
index is already in use and log an error when that happens.

Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/20240108-ffa_fixes_6-8-v1-5-75bf7035bc50@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2024-01-22 10:07:12 +00:00
..
bus.c firmware: arm_ffa: Emit modalias for FF-A devices 2023-10-06 15:32:47 +01:00
common.h firmware: arm_ffa: Setup in-kernel users of FFA partitions 2021-05-26 22:38:43 +01:00
driver.c firmware: arm_ffa: Use xa_insert() and check for result 2024-01-22 10:07:12 +00:00
Kconfig firmware: arm_ffa: Add support for SMCCC as transport to FFA driver 2021-05-26 22:36:46 +01:00
Makefile firmware: arm_ffa: Add support for SMCCC as transport to FFA driver 2021-05-26 22:36:46 +01:00
smccc.c firmware: arm_ffa: Add support for SMCCC as transport to FFA driver 2021-05-26 22:36:46 +01:00