mmc: initialize struct mmc_data at declaration time

Converts from:
	struct mmc_data data;
	memset(&data, 0, sizeof(struct mmc_data));

to:
	struct mmc_data data = {0};

because it's shorter, as performant, and easier to work out whether
initialization has happened.

Signed-off-by: Chris Ball <cjb@laptop.org>

1 files changed, 3 insertions, 6 deletions

diff --git a/drivers/mmc/core/sd_ops.c b/drivers/mmc/core/sd_ops.c
index dfe9a9c3f958..8023f580b901 100644
--- a/drivers/mmc/core/sd_ops.c
+++ b/drivers/mmc/core/sd_ops.c
@@ -245,7 +245,7 @@ int mmc_app_send_scr(struct mmc_card *card, u32 *scr)
         int err;
         struct mmc_request mrq;
         struct mmc_command cmd = {0};
-        struct mmc_data data;
+        struct mmc_data data = {0};
         struct scatterlist sg;
         void *data_buf;
 
@@ -267,7 +267,6 @@ int mmc_app_send_scr(struct mmc_card *card, u32 *scr)
                 return -ENOMEM;
 
         memset(&mrq, 0, sizeof(struct mmc_request));
-        memset(&data, 0, sizeof(struct mmc_data));
 
         mrq.cmd = &cmd;
         mrq.data = &data;
@@ -307,7 +306,7 @@ int mmc_sd_switch(struct mmc_card *card, int mode, int group,
 {
         struct mmc_request mrq;
         struct mmc_command cmd = {0};
-        struct mmc_data data;
+        struct mmc_data data = {0};
         struct scatterlist sg;
 
         BUG_ON(!card);
@@ -319,7 +318,6 @@ int mmc_sd_switch(struct mmc_card *card, int mode, int group,
         value &= 0xF;
 
         memset(&mrq, 0, sizeof(struct mmc_request));
-        memset(&data, 0, sizeof(struct mmc_data));
 
         mrq.cmd = &cmd;
         mrq.data = &data;
@@ -355,7 +353,7 @@ int mmc_app_sd_status(struct mmc_card *card, void *ssr)
         int err;
         struct mmc_request mrq;
         struct mmc_command cmd = {0};
-        struct mmc_data data;
+        struct mmc_data data = {0};
         struct scatterlist sg;
 
         BUG_ON(!card);
@@ -369,7 +367,6 @@ int mmc_app_sd_status(struct mmc_card *card, void *ssr)
                 return err;
 
         memset(&mrq, 0, sizeof(struct mmc_request));
-        memset(&data, 0, sizeof(struct mmc_data));
 
         mrq.cmd = &cmd;
         mrq.data = &data;