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authorRoel Kluin <roel.kluin@gmail.com>2009-11-02 11:14:42 -0500
committerPaul Mundt <lethal@linux-sh.org>2009-11-03 21:48:07 -0500
commit9016332014404ae1dca7198f93804ac67ba9e918 (patch)
tree5823e797deb138ba18d1c441910d9781a8b7e561 /arch/sh/boards
parentc4b973f532206e1a67b1beae654b44c8be26fc44 (diff)
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>
Diffstat (limited to 'arch/sh/boards')
-rw-r--r--arch/sh/boards/mach-highlander/setup.c2
-rw-r--r--arch/sh/boards/mach-r2d/irq.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/sh/boards/mach-highlander/setup.c b/arch/sh/boards/mach-highlander/setup.c
index 566e69d8d72..f663c14d888 100644
--- a/arch/sh/boards/mach-highlander/setup.c
+++ b/arch/sh/boards/mach-highlander/setup.c
@@ -384,7 +384,7 @@ static unsigned char irl2irq[HL_NR_IRL];
384 384
385static int highlander_irq_demux(int irq) 385static int highlander_irq_demux(int irq)
386{ 386{
387 if (irq >= HL_NR_IRL || !irl2irq[irq]) 387 if (irq >= HL_NR_IRL || irq < 0 || !irl2irq[irq])
388 return irq; 388 return irq;
389 389
390 return irl2irq[irq]; 390 return irl2irq[irq];
diff --git a/arch/sh/boards/mach-r2d/irq.c b/arch/sh/boards/mach-r2d/irq.c
index c70fecedcac..78d7b27c80d 100644
--- a/arch/sh/boards/mach-r2d/irq.c
+++ b/arch/sh/boards/mach-r2d/irq.c
@@ -116,7 +116,7 @@ static unsigned char irl2irq[R2D_NR_IRL];
116 116
117int rts7751r2d_irq_demux(int irq) 117int rts7751r2d_irq_demux(int irq)
118{ 118{
119 if (irq >= R2D_NR_IRL || !irl2irq[irq]) 119 if (irq >= R2D_NR_IRL || irq < 0 || !irl2irq[irq])
120 return irq; 120 return irq;
121 121
122 return irl2irq[irq]; 122 return irl2irq[irq];