diff options
| author |   Ji-Hun Kim <ji_hun.kim@samsung.com> | 2018-05-09 09:12:36 +0900 |
|---|---|---|
| committer |   Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2018-05-14 13:59:43 +0300 |
| commit | 697989164ef699a01012490fa2dd1970b17828e6 (patch) | |
| tree | 6968eb8284bb51bef2142b31a0274161f9857173 /drivers/char | |
| parent | tpm: fix use after free in tpm2_load_context() (diff) | |
| download | linux-dev-697989164ef699a01012490fa2dd1970b17828e6.tar.xz linux-dev-697989164ef699a01012490fa2dd1970b17828e6.zip | |
tpm: replace kmalloc() + memcpy() with kmemdup()
Use kmemdup rather than duplicating its implementation.
Signed-off-by: Ji-Hun Kim <ji_hun.kim@samsung.com>
Reviewed-by: James Morris <james.morris@microsoft.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/tpm/eventlog/of.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/char/tpm/eventlog/of.c b/drivers/char/tpm/eventlog/of.c index b7cac4794ed2..bba5fba6cb3b 100644 --- a/drivers/char/tpm/eventlog/of.c +++ b/drivers/char/tpm/eventlog/of.c @@ -69,14 +69,12 @@ int tpm_read_log_of(struct tpm_chip *chip) return -EIO; } - log->bios_event_log = kmalloc(size, GFP_KERNEL); + log->bios_event_log = kmemdup(__va(base), size, GFP_KERNEL); if (!log->bios_event_log) return -ENOMEM; log->bios_event_log_end = log->bios_event_log + size; - memcpy(log->bios_event_log, __va(base), size); - if (chip->flags & TPM_CHIP_FLAG_TPM2) return EFI_TCG2_EVENT_LOG_FORMAT_TCG_2; return EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2; |