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In fdopen():

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* Defer deref'ing of `un' until it's been initialized.
* Kludge around a false-positive uninitialized warning.
Brought to you by the graces of GCC 2.95.3.
This commit is contained in:
kleink 2001-11-17 19:00:25 +00:00
parent 2928420f88
commit 4a41ec8583
1 changed files with 4 additions and 3 deletions
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7
sys/arch/prep/stand/boot/fd.c
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@ -1,4 +1,4 @@
/* $NetBSD: fd.c,v 1.1 2000/02/29 15:21:49 nonaka Exp $ */
/* $NetBSD: fd.c,v 1.2 2001/11/17 19:00:25 kleink Exp $ */
/*-
* Copyright (C) 1997-1998 Kazuki Sakamoto (sakamoto@netbsd.org)
@ -229,13 +229,14 @@ fdopen(f, ctlr, unit, part)
int ctlr, unit, part;
{
FD_UNIT *un;
int *stat = un->stat;
int *stat;
if (ctlr >= CTLR_MAX)
return (ENXIO);
if (unit >= UNIT_MAX)
return (ENXIO);
un = &fd_unit[ctlr][unit];
stat = un->stat;
if (!(un->un_flags & INT_ALIVE)) {
if (fdinit(un) != SUCCESS)
@ -720,6 +721,7 @@ irq_polling(irq_no, timeout)
outb(irc_no ? INT2_CTL1 : INT_CTL1, ~(1 << (irq_no >> (irc_no * 3))));
ret = FAIL;
while (--timeout > 0) {
outb(irc_no ? INT2_CTL0 : INT_CTL0, OCW3_PL);
/* set polling mode */
@ -731,7 +733,6 @@ irq_polling(irq_no, timeout)
}
}
}
if (!timeout) ret = FAIL;
if (irc_no) { /* interrupt clear */
outb(INT2_CTL0, OCW2_CLEAR | (irq_no >> 3));