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>

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index d848616..ce38960 100644 (file)
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -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;