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Message-Id: <1400796102-12832-1-git-send-email-rickard_strandqvist@spectrumdigital.se> Date: Fri, 23 May 2014 00:01:42 +0200 From: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se> To: James Hogan <james.hogan@...tec.com>, Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se> Cc: Andrew Morton <akpm@...ux-foundation.org>, Naoya Horiguchi <n-horiguchi@...jp.nec.com>, linux-metag@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH] arch: metag: mm: hugetlbpage.c: Cleaning up inconsistent NULL checks Cleaning up inconsistent NULL checks. There is otherwise a risk of a possible null pointer dereference. Was largely found by using a static code analysis program called cppcheck. Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se> --- arch/metag/mm/hugetlbpage.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/metag/mm/hugetlbpage.c b/arch/metag/mm/hugetlbpage.c index 0424315..3f8d5cd 100644 --- a/arch/metag/mm/hugetlbpage.c +++ b/arch/metag/mm/hugetlbpage.c @@ -188,7 +188,8 @@ new_search: } } after_huge = 0; - addr = ALIGN_HUGEPT(vma->vm_end); + if (vma) + addr = ALIGN_HUGEPT(vma->vm_end); } } #endif -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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