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.sakkine@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkine@linux.intel.com>

diff --git a/drivers/char/tpm/eventlog/efi.c b/drivers/char/tpm/eventlog/efi.c
index 68f1e7ee60ce71a3e4464bb18fe76690d4a0eb42..3e673ab22cb453ab37d8e77246429e6b995470db 100644 (file)
--- a/drivers/char/tpm/eventlog/efi.c
+++ b/drivers/char/tpm/eventlog/efi.c
@@ -51,10 +51,9 @@ int tpm_read_log_efi(struct tpm_chip *chip)
        }
 
        /* malloc EventLog space */
-       log->bios_event_log = kmalloc(log_size, GFP_KERNEL);
+       log->bios_event_log = kmemdup(log_tbl->log, log_size, GFP_KERNEL);
        if (!log->bios_event_log)
                goto err_memunmap;
-       memcpy(log->bios_event_log, log_tbl->log, log_size);
        log->bios_event_log_end = log->bios_event_log + log_size;
 
        tpm_log_version = log_tbl->version;