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sh: Make sure indexes are positive
The indexes are signed, make sure they are not negative when we read array elements. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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c4b973f532
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9016332014
3 changed files with 3 additions and 3 deletions
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@ -384,7 +384,7 @@ static unsigned char irl2irq[HL_NR_IRL];
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static int highlander_irq_demux(int irq)
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{
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if (irq >= HL_NR_IRL || !irl2irq[irq])
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if (irq >= HL_NR_IRL || irq < 0 || !irl2irq[irq])
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return irq;
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return irl2irq[irq];
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@ -116,7 +116,7 @@ static unsigned char irl2irq[R2D_NR_IRL];
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int rts7751r2d_irq_demux(int irq)
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{
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if (irq >= R2D_NR_IRL || !irl2irq[irq])
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if (irq >= R2D_NR_IRL || irq < 0 || !irl2irq[irq])
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return irq;
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return irl2irq[irq];
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@ -60,7 +60,7 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
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unsigned long bootmem_paddr;
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/* Don't allow bogus node assignment */
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BUG_ON(nid > MAX_NUMNODES || nid == 0);
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BUG_ON(nid > MAX_NUMNODES || nid <= 0);
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start_pfn = start >> PAGE_SHIFT;
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end_pfn = end >> PAGE_SHIFT;
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