mmc: mmc_test: Improve a size determination in five functions

Replace the specification of a data structure by a pointer dereference
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

1 files changed, 5 insertions, 6 deletions

diff --git a/drivers/mmc/core/mmc_test.c b/drivers/mmc/core/mmc_test.c
index 5c74fb4dfee6..7784cce56895 100644
--- a/drivers/mmc/core/mmc_test.c
+++ b/drivers/mmc/core/mmc_test.c
@@ -356,7 +356,7 @@ static struct mmc_test_mem *mmc_test_alloc_mem(unsigned long min_sz,
         if (max_segs > max_page_cnt)
                 max_segs = max_page_cnt;
 
-        mem = kzalloc(sizeof(struct mmc_test_mem), GFP_KERNEL);
+        mem = kzalloc(sizeof(*mem), GFP_KERNEL);
         if (!mem)
                 return NULL;
 
@@ -545,7 +545,7 @@ static void mmc_test_save_transfer_result(struct mmc_test_card *test,
         if (!test->gr)
                 return;
 
-        tr = kmalloc(sizeof(struct mmc_test_transfer_result), GFP_KERNEL);
+        tr = kmalloc(sizeof(*tr), GFP_KERNEL);
         if (!tr)
                 return;
 
@@ -2973,8 +2973,7 @@ static void mmc_test_run(struct mmc_test_card *test, int testcase)
                         }
                 }
 
-                gr = kzalloc(sizeof(struct mmc_test_general_result),
-                        GFP_KERNEL);
+                gr = kzalloc(sizeof(*gr), GFP_KERNEL);
                 if (gr) {
                         INIT_LIST_HEAD(&gr->tr_lst);
 
@@ -3108,7 +3107,7 @@ static ssize_t mtf_test_write(struct file *file, const char __user *buf,
         if (ret)
                 return ret;
 
-        test = kzalloc(sizeof(struct mmc_test_card), GFP_KERNEL);
+        test = kzalloc(sizeof(*test), GFP_KERNEL);
         if (!test)
                 return -ENOMEM;
 
@@ -3213,7 +3212,7 @@ static int __mmc_test_register_dbgfs_file(struct mmc_card *card,
                 return -ENODEV;
         }
 
-        df = kmalloc(sizeof(struct mmc_test_dbgfs_file), GFP_KERNEL);
+        df = kmalloc(sizeof(*df), GFP_KERNEL);
         if (!df) {
                 debugfs_remove(file);
                 dev_err(&card->dev,