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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>
This commit is contained in:
Ji-Hun Kim 2018-05-09 09:12:36 +09:00 committed by Jarkko Sakkinen
parent 8c81c24758
commit 697989164e
1 changed files with 1 additions and 3 deletions
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4
drivers/char/tpm/eventlog/of.c
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@ -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;