| commit | d177c207ba16b1db31283e2d1fee7ad4a863584b | [log] [tgz] |
|---|---|---|
| author | Linas Vepstas <linas@linas.org> | Thu Nov 03 18:55:14 2005 -0600 |
| committer | Paul Mackerras <paulus@samba.org> | Tue Jan 10 15:30:31 2006 +1100 |
| tree | 8afca673d77c1a15585b96df977e39601db535f5 | |
| parent | 3914ac7b0e672131dc2ac8b415ada79c4ccbbb31 [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)