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| author | Arnd Bergmann <arnd@arndb.de> | 2023-05-25 17:16:45 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2023-05-25 17:16:52 +0200 |
| commit | 9bafc2bb469ce62de611adf4eb37ca68786453e7 (patch) | |
| tree | 04c9a5b303e1eec0987d960998bc51d7cd1530f5 /drivers/tee | |
| parent | 44c026a73be8038f03dbdeef028b642880cf1511 (diff) | |
| parent | 654d0310007146fae87b0c1a68f81e53ad519b14 (diff) | |
| download | lwn-9bafc2bb469ce62de611adf4eb37ca68786453e7.tar.gz lwn-9bafc2bb469ce62de611adf4eb37ca68786453e7.zip | |
Merge tag 'optee-async-notif-fix-for-v6.3' of https://git.linaro.org/people/jens.wiklander/linux-tee into arm/fixes
Fixes an uninitialized variable in OP-TEE driver
* tag 'optee-async-notif-fix-for-v6.3' of https://git.linaro.org/people/jens.wiklander/linux-tee:
optee: fix uninited async notif value
Link: https://lore.kernel.org/r/20230421075443.GA3136581@rayden
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/tee')
| -rw-r--r-- | drivers/tee/optee/smc_abi.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/tee/optee/smc_abi.c b/drivers/tee/optee/smc_abi.c index 49702cb08f4f..3861ae06d902 100644 --- a/drivers/tee/optee/smc_abi.c +++ b/drivers/tee/optee/smc_abi.c @@ -1004,8 +1004,10 @@ static u32 get_async_notif_value(optee_invoke_fn *invoke_fn, bool *value_valid, invoke_fn(OPTEE_SMC_GET_ASYNC_NOTIF_VALUE, 0, 0, 0, 0, 0, 0, 0, &res); - if (res.a0) + if (res.a0) { + *value_valid = false; return 0; + } *value_valid = (res.a2 & OPTEE_SMC_ASYNC_NOTIF_VALUE_VALID); *value_pending = (res.a2 & OPTEE_SMC_ASYNC_NOTIF_VALUE_PENDING); return res.a1; |