Sumit Garg 95915ba4b9 tee: optee: Fix kernel panic caused by incorrect error handling ... The error path while failing to register devices on the TEE bus has a bug leading to kernel panic as follows: [ 15.398930] Unable to handle kernel paging request at virtual address ffff07ed00626d7c [ 15.406913] Mem abort info: [ 15.409722] ESR = 0x0000000096000005 [ 15.413490] EC = 0x25: DABT (current EL), IL = 32 bits [ 15.418814] SET = 0, FnV = 0 [ 15.421878] EA = 0, S1PTW = 0 [ 15.425031] FSC = 0x05: level 1 translation fault [ 15.429922] Data abort info: [ 15.432813] ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 [ 15.438310] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 15.443372] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 15.448697] swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000000d9e3e000 [ 15.455413] [ffff07ed00626d7c] pgd=1800000bffdf9003, p4d=1800000bffdf9003, pud=0000000000000000 [ 15.464146] Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Commit 7269cba53d ("tee: optee: Fix supplicant based device enumeration") lead to the introduction of this bug. So fix it appropriately. Reported-by: Mikko Rapeli <mikko.rapeli@linaro.org> Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218542 Fixes: 7269cba53d ("tee: optee: Fix supplicant based device enumeration") Cc: stable@vger.kernel.org Signed-off-by: Sumit Garg <sumit.garg@linaro.org> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>		2024-03-04 09:49:03 +01:00
..
call.c	optee: provide optee_do_bottom_half() as a common function	2023-11-17 15:55:38 +01:00
core.c	OP-TEE cleanup	2023-12-22 11:37:09 +00:00
device.c	tee: optee: Fix kernel panic caused by incorrect error handling	2024-03-04 09:49:03 +01:00
ffa_abi.c	optee: ffa_abi: add asynchronous notifications	2023-11-17 15:55:41 +01:00
Kconfig	Documentation: Destage TEE subsystem documentation	2023-12-08 15:45:10 -07:00
Makefile	optee: separate notification functions	2021-11-17 14:08:56 +01:00
notif.c	optee: Use bitmap_free() to free bitmap	2022-01-24 12:53:34 +01:00
optee_ffa.h	optee: ffa_abi: add asynchronous notifications	2023-11-17 15:55:41 +01:00
optee_msg.h	tee: optee: Add SMC for loading OP-TEE image	2023-04-03 08:57:49 +02:00
optee_private.h	OP-TEE cleanup	2023-12-22 11:37:09 +00:00
optee_rpc_cmd.h	optee: separate notification functions	2021-11-17 14:08:56 +01:00
optee_smc.h	tee: optee: Add SMC for loading OP-TEE image	2023-04-03 08:57:49 +02:00
optee_trace.h	tee: optee: add invoke_fn tracepoints	2021-03-15 12:04:01 +01:00
rpc.c	optee: separate notification functions	2021-11-17 14:08:56 +01:00
smc_abi.c	OP-TEE cleanup	2023-12-22 11:37:09 +00:00
supp.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282	2019-06-05 17:36:37 +02:00