forked from Minki/linux
powerpc/cell/oprofile: Fix test on overlay_tbl_offset in vma_map
Offset is unsigned and when an address isn't found in the vma map vma_map_lookup() returns the vma physical address + 0x10000000. vma_map_lookup used to return 0xffffffff on a failed lookup, but a change was made to return the vma physical address + 0x10000000 There are two callers of vam_map_lookup: one of them correctly deals with this new return value, but the other (below) did not. Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Acked-by: Maynard Johnson <maynardj@us.ibm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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@ -229,7 +229,7 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu,
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*/
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overlay_tbl_offset = vma_map_lookup(map, ovly_table_sym,
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aSpu, &grd_val);
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if (overlay_tbl_offset < 0) {
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if (overlay_tbl_offset > 0x10000000) {
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printk(KERN_ERR "SPU_PROF: "
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"%s, line %d: Error finding SPU overlay table\n",
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__func__, __LINE__);
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