mmc: core: Convert to use kzalloc() for CXD register buffers

While allocating buffers for CXD data, let's use kzalloc() to make sure
those are zeroed.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index e04008f..23aa3a3 100644 (file)
--- a/drivers/mmc/core/mmc_ops.c
+++ b/drivers/mmc/core/mmc_ops.c
@@ -315,7 +315,7 @@ int mmc_send_csd(struct mmc_card *card, u32 *csd)
                return mmc_send_cxd_native(card->host, card->rca << 16,
                                csd, MMC_SEND_CSD);
 
-       csd_tmp = kmalloc(16, GFP_KERNEL);
+       csd_tmp = kzalloc(16, GFP_KERNEL);
        if (!csd_tmp)
                return -ENOMEM;
 
@@ -343,7 +343,7 @@ int mmc_send_cid(struct mmc_host *host, u32 *cid)
                                cid, MMC_SEND_CID);
        }
 
-       cid_tmp = kmalloc(16, GFP_KERNEL);
+       cid_tmp = kzalloc(16, GFP_KERNEL);
        if (!cid_tmp)
                return -ENOMEM;
 
@@ -374,7 +374,7 @@ int mmc_get_ext_csd(struct mmc_card *card, u8 **new_ext_csd)
         * As the ext_csd is so large and mostly unused, we don't store the
         * raw block in mmc_card.
         */
-       ext_csd = kmalloc(512, GFP_KERNEL);
+       ext_csd = kzalloc(512, GFP_KERNEL);
        if (!ext_csd)
                return -ENOMEM;