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VMCI: No need to clear memory after a dma_alloc_coherent() call

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dma_alloc_coherent() already clear the allocated memory, there is no need
to explicitly call memset().
This saves a few cycles and a few lines of code.

Acked-by: Vishnu Dasa <vdasa@vmware.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/3e8c0bfaa77500e22d6c90f249da1c53dbae716e.1645734041.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christophe JAILLET 2022-02-24 21:22:27 +01:00 committed by Greg Kroah-Hartman
parent b791da2389
commit cc312da2d3
1 changed files with 2 additions and 4 deletions
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6
drivers/misc/vmw_vmci/vmci_guest.c
View file

@ -706,13 +706,11 @@ static int vmci_guest_probe_device(struct pci_dev *pdev,
vmci_dev->notification_bitmap = dma_alloc_coherent(
&pdev->dev, PAGE_SIZE, &vmci_dev->notification_base,
GFP_KERNEL);
if (!vmci_dev->notification_bitmap) {
if (!vmci_dev->notification_bitmap)
dev_warn(&pdev->dev,
"Unable to allocate notification bitmap\n");
} else {
memset(vmci_dev->notification_bitmap, 0, PAGE_SIZE);
else
caps_in_use |= VMCI_CAPS_NOTIFICATIONS;
}
}
if (mmio_base != NULL) {