Commit 1ff8950c authored by yalin wang's avatar yalin wang Committed by Ulf Hansson
Browse files

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: default avataryalin wang <yalin.wang2010@gmail.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 6e1bbc51

drivers/mmc/card/block.c

+2 −2
Original line number Diff line number Diff line
@@ -344,7 +344,7 @@ static struct mmc_blk_ioc_data *mmc_blk_ioctl_copy_from_user( 
	struct mmc_blk_ioc_data *idata;

	int err;



	idata = kzalloc(sizeof(*idata), GFP_KERNEL);

	idata = kmalloc(sizeof(*idata), GFP_KERNEL);

	if (!idata) {

		err = -ENOMEM;

		goto out;
@@ -364,7 +364,7 @@ static struct mmc_blk_ioc_data *mmc_blk_ioctl_copy_from_user( 
	if (!idata->buf_bytes)

		return idata;



	idata->buf = kzalloc(idata->buf_bytes, GFP_KERNEL);

	idata->buf = kmalloc(idata->buf_bytes, GFP_KERNEL);

	if (!idata->buf) {

		err = -ENOMEM;

		goto idata_err;