mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-31 16:38:12 +00:00
Code Issues Releases Wiki Activity

dma-mapping fixes for Linux 5.19

Browse source 
- pass the correct size to dma_set_encrypted() when freeing memory
    (Dexuan Cui)
 -----BEGIN PGP SIGNATURE-----
 
 iQI/BAABCgApFiEEgdbnc3r/njty3Iq9D55TZVIEUYMFAmK387ULHGhjaEBsc3Qu
 ZGUACgkQD55TZVIEUYMjkQ/+JjhDpq9d2p8o4VBZltdFrfD6mMLiDib7l2qoWO6S
 pD9vy87nu/cbKyMwVFajz5h/wSE7aiBHrfQjhBnpNzrdFxjpuT0OI8Plj7ybCGvR
 shyXHxuKSgwSMMOhivHeYJGbUTPeyg/nVNdP3rJmy9XCIOpEjrnbYVIT/BHyp8Cv
 YrUjXFP6Bz9X0gpb2XdeqflBbb/9lEaj82xfKunG/wEhNYKc+LhOOzeFXOhne1pm
 jjQfB779HEfsAfjBXanJ2vkkQwOZwMeAjXJ3H9yPdRYJYGGugXTQWe3w7zV1Up/3
 c/iOB8A9pYfE00zFVv+0w+uklv6oK9gA0awW5pCSJ89FgXSvXNtyjmn/CMufcSTp
 kK8Jw2yszL+SgvGhMaYyhze6tStW1LN9C7ktMi/zI+V1txLie4K8aGFixibzGEva
 rUiTSxsyR8VNdRIsennSFAne/u1TifMZQoXe4uK5i49Z4RHeBQeSVQ+ht8hAvoXc
 TpZk5CsgH9KXLZQfAiyihUiDlJ0S/cfRMJUv3O4pGhz6irqUIvNhlc2JAVag5oRI
 SQ1iHWqIEROUdDnu1/4c4KZ9SnvYvMq5YsV+nhn2QKJqFDZTMrQLwWFUzq4OBH9e
 mdOuhH1dyGVrlRdDCYfDEUtJSrO5F162LfR4e1YV5GHbUnwz9GCb2InFOFYWHrDU
 HSo=
 =Qrcs
 -----END PGP SIGNATURE-----

Merge tag 'dma-mapping-5.19-2022-06-26' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fix from Christoph Hellwig:

 - pass the correct size to dma_set_encrypted() when freeing memory
   (Dexuan Cui)

* tag 'dma-mapping-5.19-2022-06-26' of git://git.infradead.org/users/hch/dma-mapping:
  dma-direct: use the correct size for dma_set_encrypted()
This commit is contained in:
Linus Torvalds 2022-06-26 10:01:40 -07:00
commit c898c67db6
1 changed files with 2 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
kernel/dma/direct.c
View file

@ -357,7 +357,7 @@ void dma_direct_free(struct device *dev, size_t size,
} else {
if (IS_ENABLED(CONFIG_ARCH_HAS_DMA_CLEAR_UNCACHED))
arch_dma_clear_uncached(cpu_addr, size);
if (dma_set_encrypted(dev, cpu_addr, 1 << page_order))
if (dma_set_encrypted(dev, cpu_addr, size))
return;
}
@ -392,7 +392,6 @@ void dma_direct_free_pages(struct device *dev, size_t size,
struct page *page, dma_addr_t dma_addr,
enum dma_data_direction dir)
{
unsigned int page_order = get_order(size);
void *vaddr = page_address(page);
/* If cpu_addr is not from an atomic pool, dma_free_from_pool() fails */
@ -400,7 +399,7 @@ void dma_direct_free_pages(struct device *dev, size_t size,
dma_free_from_pool(dev, vaddr, size))
return;
if (dma_set_encrypted(dev, vaddr, 1 << page_order))
if (dma_set_encrypted(dev, vaddr, size))
return;
__dma_direct_free_pages(dev, page, size);
}