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tee: optee: Use kmemdup() to replace kmalloc + memcpy

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Use kmemdup rather than duplicating its implementation.

./drivers/tee/optee/smc_abi.c:1542:12-19: WARNING opportunity for kmemdup.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5480
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
This commit is contained in:
Jiapeng Chong 2023-06-13 09:18:53 +08:00 committed by Jens Wiklander
parent f1fcbaa18b
commit 6a8b7e8010
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);