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A couple of small MIPS fixes for 4.20:

Browse Source 
- Extend an array to avoid overruns on some Octeon hardware, fixing a
    bug introduced in 4.3.
 
  - Fix a coherent DMA regression for systems without cache-coherent DMA
    introduced in the 4.20 merge window.
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Merge tag 'mips_fixes_4.20_2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS fixes from Paul Burton:
 "A couple of small MIPS fixes for 4.20:

   - Extend an array to avoid overruns on some Octeon hardware, fixing a
     bug introduced in 4.3.

   - Fix a coherent DMA regression for systems without cache-coherent
     DMA introduced in the 4.20 merge window"

* tag 'mips_fixes_4.20_2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MIPS: Fix `dma_alloc_coherent' returning a non-coherent allocation
  MIPS: OCTEON: fix out of bounds array access on CN68XX
This commit is contained in:
Linus Torvalds 2018-11-09 16:21:24 -06:00
commit 26eaed4671
2 changed files with 2 additions and 2 deletions
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2
arch/mips/cavium-octeon/executive/cvmx-helper.c
View File

@ -67,7 +67,7 @@ void (*cvmx_override_pko_queue_priority) (int pko_port,
void (*cvmx_override_ipd_port_setup) (int ipd_port);
/* Port count per interface */
static int interface_port_count[5];
static int interface_port_count[9];
/**
* Return the number of interfaces the chip has. Each interface

2
arch/mips/mm/dma-noncoherent.c
View File

@ -50,7 +50,7 @@ void *arch_dma_alloc(struct device *dev, size_t size,
void *ret;
ret = dma_direct_alloc_pages(dev, size, dma_handle, gfp, attrs);
if (!ret && !(attrs & DMA_ATTR_NON_CONSISTENT)) {
if (ret && !(attrs & DMA_ATTR_NON_CONSISTENT)) {
dma_cache_wback_inv((unsigned long) ret, size);
ret = (void *)UNCAC_ADDR(ret);
}