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| author | Jiapeng Chong <jiapeng.chong@linux.alibaba.com> | 2023-06-13 09:18:53 +0800 |
|---|---|---|
| committer | Jens Wiklander <jens.wiklander@linaro.org> | 2023-06-15 08:49:55 +0200 |
| commit | 6a8b7e80105416cc7324fda295608ea2d3f98862 (patch) | |
| tree | da732939c71fc78a8c5f644333b72214733f86fc /drivers/tee | |
| parent | f1fcbaa18b28dec10281551dfe6ed3a3ed80e3d6 (diff) | |
| download | lwn-6a8b7e80105416cc7324fda295608ea2d3f98862.tar.gz lwn-6a8b7e80105416cc7324fda295608ea2d3f98862.zip | |
tee: optee: Use kmemdup() to replace kmalloc + memcpy
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>
Diffstat (limited to 'drivers/tee')
| -rw-r--r-- | drivers/tee/optee/smc_abi.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/tee/optee/smc_abi.c b/drivers/tee/optee/smc_abi.c index 49702cb08f4f..54414d4def7e 100644 --- a/drivers/tee/optee/smc_abi.c +++ b/drivers/tee/optee/smc_abi.c @@ -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); |