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4461dadc60
- Added options for DEBUG and TOOLS - Added WWW: PR: 212923 Submitted by: rum1cro@yandex.ru Approved by: bruce.richardson@intel.com (maintainer)
24 lines
923 B
Text
24 lines
923 B
Text
--- lib/librte_eal/bsdapp/contigmem/contigmem.c 2016-08-16 22:46:46 UTC
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+++ lib/librte_eal/bsdapp/contigmem/contigmem.c
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@@ -216,15 +216,19 @@ static int
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contigmem_mmap_single(struct cdev *cdev, vm_ooffset_t *offset, vm_size_t size,
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struct vm_object **obj, int nprot)
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{
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+ uint64_t buffer_index;
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+
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/*
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* The buffer index is encoded in the offset. Divide the offset by
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* PAGE_SIZE to get the index of the buffer requested by the user
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* app.
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*/
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- if ((*offset/PAGE_SIZE) >= contigmem_num_buffers)
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+ buffer_index = *offset / PAGE_SIZE;
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+ if (buffer_index >= contigmem_num_buffers)
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return EINVAL;
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- *offset = (vm_ooffset_t)vtophys(contigmem_buffers[*offset/PAGE_SIZE]);
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+ memset(contigmem_buffers[buffer_index], 0, contigmem_buffer_size);
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+ *offset = (vm_ooffset_t)vtophys(contigmem_buffers[buffer_index]);
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*obj = vm_pager_allocate(OBJT_DEVICE, cdev, size, nprot, *offset,
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curthread->td_ucred);
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