[PATCH 1/2] tpm: replace kmalloc() + memcpy() with kmemdup()

Ji-Hun Kim
2018-05-09T00:12:36Z

Use kmemdup rather than duplicating its implementation.

Signed-off-by: Ji-Hun Kim <ji_hun.kim@samsung.com>
---
drivers/char/tpm/eventlog/of.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/char/tpm/eventlog/of.c b/drivers/char/tpm/eventlog/of.c
index b7cac47..bba5fba 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;
--
1.9.1