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Return an error when a read operation fails, instead of pretending it 

succeeded and transmitting a bogus value.
This commit is contained in:
cube 2004-11-10 17:17:14 +00:00
parent d07f9e79e8
commit cf1fc8341b
1 changed files with 5 additions and 2 deletions
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7
sys/dev/pci/auich.c
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@ -1,4 +1,4 @@
/* $NetBSD: auich.c,v 1.76 2004/11/10 14:14:09 cube Exp $ */
/* $NetBSD: auich.c,v 1.77 2004/11/10 17:17:14 cube Exp $ */
/*-
* Copyright (c) 2000, 2004 The NetBSD Foundation, Inc.
@ -118,7 +118,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: auich.c,v 1.76 2004/11/10 14:14:09 cube Exp $");
__KERNEL_RCSID(0, "$NetBSD: auich.c,v 1.77 2004/11/10 17:17:14 cube Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -624,6 +624,9 @@ auich_read_codec(void *v, u_int8_t reg, u_int16_t *val)
bus_space_write_4(sc->iot, sc->aud_ioh, ICH_GSTS,
status & ~(ICH_SRI|ICH_PRI|ICH_GSCI));
*val = 0xffff;
DPRINTF(ICH_DEBUG_CODECIO,
("%s: read_codec error\n", sc->sc_dev.dv_xname));
return -1;
}
return 0;
} else {