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| author | Roel Kluin <roel.kluin@gmail.com> | 2009-11-01 14:46:26 +0100 |
|---|---|---|
| committer | Jesper Nilsson <jesper.nilsson@axis.com> | 2009-11-03 14:11:53 +0100 |
| commit | f25234f1c21ad9878bd38719381e13f4ef1990ce (patch) | |
| tree | cd01c222db18d498223d33225f1acf6cb417626a /arch/cris/arch-v32/kernel/pinmux.c | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/eri... (diff) | |
| download | linux-f25234f1c21ad9878bd38719381e13f4ef1990ce.tar.xz linux-f25234f1c21ad9878bd38719381e13f4ef1990ce.zip | |
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 <roel.kluin@gmail.com>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Diffstat (limited to 'arch/cris/arch-v32/kernel/pinmux.c')
| -rw-r--r-- | arch/cris/arch-v32/kernel/pinmux.c | 4 |
1 files changed, 2 insertions, 2 deletions
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); |