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ARM: make_coherent: convert adjust_pte() to use p*d_none_or_clear_bad()
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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parent
c26c20b823
commit
f8a85f1164
@ -73,16 +73,12 @@ static int adjust_pte(struct vm_area_struct *vma, unsigned long address)
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int ret;
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pgd = pgd_offset(vma->vm_mm, address);
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if (pgd_none(*pgd))
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goto no_pgd;
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if (pgd_bad(*pgd))
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goto bad_pgd;
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if (pgd_none_or_clear_bad(pgd))
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return 0;
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pmd = pmd_offset(pgd, address);
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if (pmd_none(*pmd))
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goto no_pmd;
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if (pmd_bad(*pmd))
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goto bad_pmd;
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if (pmd_none_or_clear_bad(pmd))
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return 0;
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pte = pte_offset_map(pmd, address);
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@ -91,18 +87,6 @@ static int adjust_pte(struct vm_area_struct *vma, unsigned long address)
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pte_unmap(pte);
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return ret;
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bad_pgd:
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pgd_ERROR(*pgd);
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pgd_clear(pgd);
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no_pgd:
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return 0;
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bad_pmd:
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pmd_ERROR(*pmd);
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pmd_clear(pmd);
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no_pmd:
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return 0;
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}
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static void
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