diff options
| author | roel kluin <roel.kluin@gmail.com> | 2008-09-09 23:02:43 +0200 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2008-09-10 12:01:46 +0900 |
| commit | b21a91043592434e2847c4b552be7b51851d92c3 (patch) | |
| tree | 610ca37711d0888adcc65d34fc6cd0236050dca1 /arch/sh | |
| parent | 6eb2139b3dc3e1c5181a7cdf83a517c57c34bb12 (diff) | |
sh: intc_prio_data() test before subtraction on unsigned
bit is unsigned, so test before subtraction
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/kernel/cpu/irq/intc.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/sh/kernel/cpu/irq/intc.c b/arch/sh/kernel/cpu/irq/intc.c index 8c70e201bde..94536d358fe 100644 --- a/arch/sh/kernel/cpu/irq/intc.c +++ b/arch/sh/kernel/cpu/irq/intc.c @@ -464,9 +464,10 @@ static unsigned int __init intc_prio_data(struct intc_desc *desc, } fn += (pr->reg_width >> 3) - 1; - bit = pr->reg_width - ((j + 1) * pr->field_width); - BUG_ON(bit < 0); + BUG_ON((j + 1) * pr->field_width > pr->reg_width); + + bit = pr->reg_width - ((j + 1) * pr->field_width); return _INTC_MK(fn, mode, intc_get_reg(d, reg_e), @@ -531,9 +532,10 @@ static unsigned int __init intc_sense_data(struct intc_desc *desc, fn = REG_FN_MODIFY_BASE; fn += (sr->reg_width >> 3) - 1; - bit = sr->reg_width - ((j + 1) * sr->field_width); - BUG_ON(bit < 0); + BUG_ON((j + 1) * sr->field_width > sr->reg_width); + + bit = sr->reg_width - ((j + 1) * sr->field_width); return _INTC_MK(fn, 0, intc_get_reg(d, sr->reg), 0, sr->field_width, bit); |