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target: Use kcalloc() in two functions

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* Multiplications for the size determination of memory allocations
  indicated that array data structures should be processed.
  Thus use the corresponding function "kcalloc".

  This issue was detected by using the Coccinelle software.

* Replace the specification of data structures by pointer dereferences
  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>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Markus Elfring 2017-04-09 19:02:38 +02:00 • committed by Nicholas Bellinger
parent 3829f38169
commit 55ec409202
1 changed files with 2 additions and 4 deletions
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6
drivers/target/target_core_rd.c
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@ -210,8 +210,7 @@ static int rd_build_device_space(struct rd_dev *rd_dev)
total_sg_needed = rd_dev->rd_page_count;
sg_tables = (total_sg_needed / max_sg_per_table) + 1;
sg_table = kzalloc(sg_tables * sizeof(struct rd_dev_sg_table), GFP_KERNEL);
sg_table = kcalloc(sg_tables, sizeof(*sg_table), GFP_KERNEL);
if (!sg_table) {
pr_err("Unable to allocate memory for Ramdisk"
" scatterlist tables\n");
@ -271,8 +270,7 @@ static int rd_build_prot_space(struct rd_dev *rd_dev, int prot_length, int block
total_sg_needed = (rd_dev->rd_page_count * prot_length / block_size) + 1;
sg_tables = (total_sg_needed / max_sg_per_table) + 1;
sg_table = kzalloc(sg_tables * sizeof(struct rd_dev_sg_table), GFP_KERNEL);
sg_table = kcalloc(sg_tables, sizeof(*sg_table), GFP_KERNEL);
if (!sg_table) {
pr_err("Unable to allocate memory for Ramdisk protection"
" scatterlist tables\n");