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Use kmemdup() in OP-TEE driver

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Merge tag 'optee-use-kmemdup-for-6.5' of https://git.linaro.org/people/jens.wiklander/linux-tee into soc/drivers

Use kmemdup() in OP-TEE driver

* tag 'optee-use-kmemdup-for-6.5' of https://git.linaro.org/people/jens.wiklander/linux-tee:
  tee: optee: Use kmemdup() to replace kmalloc + memcpy

Link: https://lore.kernel.org/r/20230615130049.GA979203@rayden
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2023-06-22 17:35:09 +02:00
commit 3f711c2490
1 changed files with 1 additions and 2 deletions
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3
drivers/tee/optee/smc_abi.c
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@ -1539,12 +1539,11 @@ static int optee_load_fw(struct platform_device *pdev,
* This uses the GFP_DMA flag to ensure we are allocated memory in the
* 32-bit space since TF-A cannot map memory beyond the 32-bit boundary.
*/
data_buf = kmalloc(fw->size, GFP_KERNEL | GFP_DMA);
data_buf = kmemdup(fw->data, fw->size, GFP_KERNEL | GFP_DMA);
if (!data_buf) {
rc = -ENOMEM;
goto fw_err;
}
memcpy(data_buf, fw->data, fw->size);
data_pa = virt_to_phys(data_buf);
reg_pair_from_64(&data_pa_high, &data_pa_low, data_pa);
reg_pair_from_64(&data_size_high, &data_size_low, data_size);