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IB/hfi1: Use kcalloc() in hfi1_user_exp_rcv_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 reuse the corresponding function "kcalloc".

  This issue was detected by using the Coccinelle software.

* Replace the specification of a data type 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>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Markus Elfring 2017-02-09 15:30:53 +01:00 committed by Doug Ledford
parent a9a42886d0
commit 4076e5187d
1 changed files with 3 additions and 2 deletions
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5
drivers/infiniband/hw/hfi1/user_exp_rcv.c
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@ -200,8 +200,9 @@ int hfi1_user_exp_rcv_init(struct file *fp)
if (!HFI1_CAP_UGET_MASK(uctxt->flags, TID_UNMAP)) {
fd->invalid_tid_idx = 0;
fd->invalid_tids = kzalloc(uctxt->expected_count *
sizeof(u32), GFP_KERNEL);
fd->invalid_tids = kcalloc(uctxt->expected_count,
sizeof(*fd->invalid_tids),
GFP_KERNEL);
if (!fd->invalid_tids) {
ret = -ENOMEM;
goto done;