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-rw-r--r--arch/cris/arch-v32/kernel/pinmux.c4
-rw-r--r--arch/cris/arch-v32/mach-a3/pinmux.c2
-rw-r--r--arch/cris/arch-v32/mach-fs/pinmux.c4
3 files changed, 5 insertions, 5 deletions
diff --git a/arch/cris/arch-v32/kernel/pinmux.c b/arch/cris/arch-v32/kernel/pinmux.c
index 6eb54ea..f6f3637 100644
--- a/arch/cris/arch-v32/kernel/pinmux.c
+++ b/arch/cris/arch-v32/kernel/pinmux.c
@@ -54,7 +54,7 @@ crisv32_pinmux_alloc(int port, int first_pin, int last_pin, enum pin_mode mode)
crisv32_pinmux_init();
- if (port > PORTS)
+ if (port > PORTS || port < 0)
return -EINVAL;
spin_lock_irqsave(&pinmux_lock, flags);
@@ -197,7 +197,7 @@ crisv32_pinmux_dealloc(int port, int first_pin, int last_pin)
crisv32_pinmux_init();
- if (port > PORTS)
+ if (port > PORTS || port < 0)
return -EINVAL;
spin_lock_irqsave(&pinmux_lock, flags);
diff --git a/arch/cris/arch-v32/mach-a3/pinmux.c b/arch/cris/arch-v32/mach-a3/pinmux.c
index 0a28c9b..18648ef 100644
--- a/arch/cris/arch-v32/mach-a3/pinmux.c
+++ b/arch/cris/arch-v32/mach-a3/pinmux.c
@@ -242,7 +242,7 @@ crisv32_pinmux_dealloc(int port, int first_pin, int last_pin)
crisv32_pinmux_init();
- if (port > PORTS)
+ if (port > PORTS || port < 0)
return -EINVAL;
spin_lock_irqsave(&pinmux_lock, flags);
diff --git a/arch/cris/arch-v32/mach-fs/pinmux.c b/arch/cris/arch-v32/mach-fs/pinmux.c
index d722ad9..38f29ee 100644
--- a/arch/cris/arch-v32/mach-fs/pinmux.c
+++ b/arch/cris/arch-v32/mach-fs/pinmux.c
@@ -54,7 +54,7 @@ crisv32_pinmux_alloc(int port, int first_pin, int last_pin, enum pin_mode mode)
crisv32_pinmux_init();
- if (port > PORTS)
+ if (port > PORTS || port < 0)
return -EINVAL;
spin_lock_irqsave(&pinmux_lock, flags);
@@ -195,7 +195,7 @@ int crisv32_pinmux_dealloc(int port, int first_pin, int last_pin)
crisv32_pinmux_init();
- if (port > PORTS)
+ if (port > PORTS || port < 0)
return -EINVAL;
spin_lock_irqsave(&pinmux_lock, flags);