From 1ff8950c04331883b11c5e0d6db96e2da8b6f8c9 Mon Sep 17 00:00:00 2001 From: yalin wang Date: Thu, 12 Nov 2015 19:27:11 +0800 Subject: [PATCH] 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 Signed-off-by: Ulf Hansson --- drivers/mmc/card/block.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index d8486168415a..ce38960cca12 100644 --- 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; -- 2.20.1