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>

diff --git a/drivers/mmc/core/mmc_test.c b/drivers/mmc/core/mmc_test.c
index 5c74fb4..7784cce 100644 (file)
--- 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,