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authorLinas Vepstas <linas@linas.org>2005-11-03 18:55:14 -0600
committerPaul Mackerras <paulus@samba.org>2006-01-10 15:30:31 +1100
commitd177c207ba16b1db31283e2d1fee7ad4a863584b (patch)
tree8afca673d77c1a15585b96df977e39601db535f5 /include/asm-powerpc
parent3914ac7b0e672131dc2ac8b415ada79c4ccbbb31 (diff)
[PATCH] powerpc: IOMMU: don't ioremap null addresses
240-ioremap-null-ptr-test.patch Under highly unusual circumstances, a buggy driver will ask a null ptr to be ioremapped, an operation that curently succeeds but leads to later trouble. Instead, refuse to remap the null pointer. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org> (cherry picked from e71d9e598533c1889e7162f5f4647e5d378c102c commit)
Diffstat (limited to 'include/asm-powerpc')
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