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KVM: PPC: e500: Use kcalloc() in e500_mmu_host_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 "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: Paul Mackerras <paulus@ozlabs.org>
This commit is contained in:
Markus Elfring 2017-01-20 16:30:18 +01:00 committed by Paul Mackerras
parent a1c52e1c7c
commit 37655490db
1 changed files with 2 additions and 3 deletions
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5
arch/powerpc/kvm/e500_mmu_host.c
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@ -797,9 +797,8 @@ int e500_mmu_host_init(struct kvmppc_vcpu_e500 *vcpu_e500)
host_tlb_params[0].sets =
host_tlb_params[0].entries / host_tlb_params[0].ways;
host_tlb_params[1].sets = 1;
vcpu_e500->h2g_tlb1_rmap = kzalloc(sizeof(unsigned int) *
host_tlb_params[1].entries,
vcpu_e500->h2g_tlb1_rmap = kcalloc(host_tlb_params[1].entries,
sizeof(*vcpu_e500->h2g_tlb1_rmap),
GFP_KERNEL);
if (!vcpu_e500->h2g_tlb1_rmap)
return -EINVAL;