From f25234f1c21ad9878bd38719381e13f4ef1990ce Mon Sep 17 00:00:00 2001 From: Roel Kluin Date: Sun, 1 Nov 2009 14:46:26 +0100 Subject: CRIS v32: Should index be positive? `port' is used as index for writing to pins during allocation/deallocation. It should be positive. Signed-off-by: Roel Kluin Signed-off-by: Jesper Nilsson --- arch/cris/arch-v32/kernel/pinmux.c | 4 ++-- arch/cris/arch-v32/mach-a3/pinmux.c | 2 +- arch/cris/arch-v32/mach-fs/pinmux.c | 4 ++-- 3 files changed, 5 insertions(+), 5 deletions(-) (limited to 'arch/cris') diff --git a/arch/cris/arch-v32/kernel/pinmux.c b/arch/cris/arch-v32/kernel/pinmux.c index 6eb54ea1c976..f6f3637a4194 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 0a28c9bedfb7..18648ef2d874 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 d722ad9ae626..38f29eec14a6 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); -- cgit v1.2.3-59-g8ed1b