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sh: intc_prio_data() test before subtraction on unsigned

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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>
This commit is contained in:
roel kluin 2008-09-09 23:02:43 +02:00 committed by Paul Mundt
parent 6eb2139b3d
commit b21a910435
1 changed files with 6 additions and 4 deletions
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10
arch/sh/kernel/cpu/irq/intc.c
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@ -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);