mmc: block: change to use kmalloc when copy data from userspace
Use kmalloc instead of kzalloc, as zeroing the memory isn't needed. Signed-off-by: yalin wang <yalin.wang2010@gmail.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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@ -344,7 +344,7 @@ static struct mmc_blk_ioc_data *mmc_blk_ioctl_copy_from_user(
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struct mmc_blk_ioc_data *idata;
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struct mmc_blk_ioc_data *idata;
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int err;
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int err;
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idata = kzalloc(sizeof(*idata), GFP_KERNEL);
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idata = kmalloc(sizeof(*idata), GFP_KERNEL);
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if (!idata) {
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if (!idata) {
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err = -ENOMEM;
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err = -ENOMEM;
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goto out;
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goto out;
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@ -364,7 +364,7 @@ static struct mmc_blk_ioc_data *mmc_blk_ioctl_copy_from_user(
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if (!idata->buf_bytes)
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if (!idata->buf_bytes)
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return idata;
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return idata;
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idata->buf = kzalloc(idata->buf_bytes, GFP_KERNEL);
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idata->buf = kmalloc(idata->buf_bytes, GFP_KERNEL);
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if (!idata->buf) {
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if (!idata->buf) {
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err = -ENOMEM;
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err = -ENOMEM;
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goto idata_err;
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goto idata_err;
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