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uml: fix order of pud and pmd_free()

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If pmd_alloc() fails we should only free the prior allocated pud, if
pte_alloc_map() fails, we should free pmd as well.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Roel Kluin
2009-09-21 17:04:11 -07:00
committed by Linus Torvalds
parent db4e5cbe2f
commit 4d04c70754
1 changed files with 2 additions and 2 deletions
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4
arch/um/kernel/skas/mmu.c
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@@ -38,10 +38,10 @@ static int init_stub_pte(struct mm_struct *mm, unsigned long proc,
*pte = pte_mkread(*pte); *pte = pte_mkread(*pte);
return 0; return 0;
out_pmd:
pud_free(mm, pud);
out_pte: out_pte:
pmd_free(mm, pmd); pmd_free(mm, pmd);
out_pmd:
pud_free(mm, pud);
out: out:
return -ENOMEM; return -ENOMEM;
} }