On 2017/1/9 5:49, SF Markus Elfring wrote:
From: Markus Elfring <[email protected]>
Date: Sun, 8 Jan 2017 21:25:44 +0100

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.



Reviewed-by: Shawn Lin <[email protected]>

Signed-off-by: Markus Elfring <[email protected]>
---
 drivers/mmc/core/mmc_test.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/mmc/core/mmc_test.c b/drivers/mmc/core/mmc_test.c
index bb9f569a5dd5..294d3c675734 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,



--
Best Regards
Shawn Lin

Reply via email to