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[kvmfr] fixed incorrect buffer size calculation

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This commit is contained in:
Geoffrey McRae 2020-01-24 17:07:09 +11:00
parent 9d6d137b50
commit 687eddcc63
2 changed files with 3 additions and 3 deletions
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2
VERSION
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@ -1 +1 @@
B1-105-ga75b95694b+1 B1-106-g9d6d137b50+1

4
module/kvmfr.c
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@ -199,7 +199,7 @@ static long kvmfr_dmabuf_create(struct kvmfr_dev * kdev, struct file * filp, uns
return -ENOMEM; return -ENOMEM;
kbuf->kdev = kdev; kbuf->kdev = kdev;
kbuf->pagecount = (create.size - create.offset) >> PAGE_SHIFT; kbuf->pagecount = create.size >> PAGE_SHIFT;
kbuf->pages = kmalloc_array(kbuf->pagecount, sizeof(*kbuf->pages), GFP_KERNEL); kbuf->pages = kmalloc_array(kbuf->pagecount, sizeof(*kbuf->pages), GFP_KERNEL);
if (!kbuf->pages) if (!kbuf->pages)
{ {
@ -436,4 +436,4 @@ module_exit(kvmfr_module_exit);
MODULE_DEVICE_TABLE(pci, kvmfr_pci_ids); MODULE_DEVICE_TABLE(pci, kvmfr_pci_ids);
MODULE_LICENSE("GPL v2"); MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Geoffrey McRae"); MODULE_AUTHOR("Geoffrey McRae");