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mmc: mmc_test: Use kmalloc_array() in mmc_test_area_init()

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* A multiplication for the size determination of a memory allocation
  indicated that an array data structure should be processed.
  Thus use the corresponding function "kmalloc_array".

  This issue was detected by using the Coccinelle software.

* Replace the specification of a data structure by a pointer dereference
  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>
This commit is contained in:
Markus Elfring 2017-01-08 18:44:26 +01:00 committed by Ulf Hansson
parent ad7014b394
commit 457e4f7f66
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/core/mmc_test.c
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@ -1579,7 +1579,7 @@ static int mmc_test_area_init(struct mmc_test_card *test, int erase, int fill)
if (!t->mem)
return -ENOMEM;
t->sg = kmalloc(sizeof(struct scatterlist) * t->max_segs, GFP_KERNEL);
t->sg = kmalloc_array(t->max_segs, sizeof(*t->sg), GFP_KERNEL);
if (!t->sg) {
ret = -ENOMEM;
goto out_free;