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A single fix for a memory leak regression in the dma-debug code.

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Merge tag 'dma-mapping-4.16-3' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fix from Christoph Hellwig:
 "A single fix for a memory leak regression in the dma-debug code"

* tag 'dma-mapping-4.16-3' of git://git.infradead.org/users/hch/dma-mapping:
  dma-debug: fix memory leak in debug_dma_alloc_coherent
This commit is contained in:
Linus Torvalds 2018-02-28 11:13:08 -08:00
commit b1aad6824a
1 changed files with 5 additions and 5 deletions
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10
lib/dma-debug.c
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@ -1491,12 +1491,12 @@ void debug_dma_alloc_coherent(struct device *dev, size_t size,
if (unlikely(virt == NULL))
return;
entry = dma_entry_alloc();
if (!entry)
/* handle vmalloc and linear addresses */
if (!is_vmalloc_addr(virt) && !virt_addr_valid(virt))
return;
/* handle vmalloc and linear addresses */
if (!is_vmalloc_addr(virt) && !virt_to_page(virt))
entry = dma_entry_alloc();
if (!entry)
return;
entry->type = dma_debug_coherent;
@ -1528,7 +1528,7 @@ void debug_dma_free_coherent(struct device *dev, size_t size,
};
/* handle vmalloc and linear addresses */
if (!is_vmalloc_addr(virt) && !virt_to_page(virt))
if (!is_vmalloc_addr(virt) && !virt_addr_valid(virt))
return;
if (is_vmalloc_addr(virt))