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mmc: block: change to use kmalloc when copy data from userspace

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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>
This commit is contained in:
yalin wang 2015-11-12 19:27:11 +08:00 committed by Ulf Hansson
parent 6e1bbc5143
commit 1ff8950c04
1 changed files with 2 additions and 2 deletions
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4
drivers/mmc/card/block.c
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@ -344,7 +344,7 @@ static struct mmc_blk_ioc_data *mmc_blk_ioctl_copy_from_user(
struct mmc_blk_ioc_data *idata; struct mmc_blk_ioc_data *idata;
int err; int err;
idata = kzalloc(sizeof(*idata), GFP_KERNEL); idata = kmalloc(sizeof(*idata), GFP_KERNEL);
if (!idata) { if (!idata) {
err = -ENOMEM; err = -ENOMEM;
goto out; goto out;
@ -364,7 +364,7 @@ static struct mmc_blk_ioc_data *mmc_blk_ioctl_copy_from_user(
if (!idata->buf_bytes) if (!idata->buf_bytes)
return idata; return idata;
idata->buf = kzalloc(idata->buf_bytes, GFP_KERNEL); idata->buf = kmalloc(idata->buf_bytes, GFP_KERNEL);
if (!idata->buf) { if (!idata->buf) {
err = -ENOMEM; err = -ENOMEM;
goto idata_err; goto idata_err;