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Check the return value of AUCONV_MALLOC. Fixes a pile of CIDs related to 

auconv.
This commit is contained in:
jmcneill 2006-03-18 13:12:15 +00:00
parent a737ed394b
commit e0476e5490
1 changed files with 54 additions and 2 deletions
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56
sys/dev/auconv.c
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@ -1,4 +1,4 @@
/* $NetBSD: auconv.c,v 1.15 2006/02/26 23:52:08 pooka Exp $ */
/* $NetBSD: auconv.c,v 1.16 2006/03/18 13:12:15 jmcneill Exp $ */
/*
* Copyright (c) 1996 The NetBSD Foundation, Inc.
@ -35,7 +35,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: auconv.c,v 1.15 2006/02/26 23:52:08 pooka Exp $");
__KERNEL_RCSID(0, "$NetBSD: auconv.c,v 1.16 2006/03/18 13:12:15 jmcneill Exp $");
#include <sys/types.h>
#include <sys/audioio.h>
@ -465,6 +465,52 @@ DEFINE_FILTER(linear16_to_linear8)
return 0;
}
DEFINE_FILTER(linear16_to_linear32)
{
stream_filter_t *this;
int m, err, enc_dst, enc_src;
this = (stream_filter_t *)self;
max_used = (max_used + 1) & ~1;
if ((err = this->prev->fetch_to(this->prev, this->src, max_used / 2)))
return err;
m = (dst->end - dst->start) & ~1;
m = min(m, max_used);
enc_dst = dst->param.encoding;
enc_src = this->src->param.encoding;
if (enc_src == AUDIO_ENCODING_SLINEAR_LE &&
enc_dst == AUDIO_ENCODING_SLINEAR_LE) {
FILTER_LOOP_PROLOGUE(this->src, 2, dst, 4, m) {
d[0] = s[0];
d[1] = 0;
d[2] = s[1];
d[3] = 0;
} FILTER_LOOP_EPILOGUE(this->src, dst);
}
return 0;
}
DEFINE_FILTER(interleave32_2ch_to_8ch)
{
stream_filter_t *this;
int m, err;
this = (stream_filter_t *)self;
max_used = (max_used + 1) & ~1;
if ((err = this->prev->fetch_to(this->prev, this->src, max_used / 2)))
return err;
m = (dst->end - dst->start) & ~1;
m = min(m, max_used);
FILTER_LOOP_PROLOGUE(this->src, 4, dst, 16, m) {
memcpy(d, s, 4);
memset(d, 0, 12);
} FILTER_LOOP_EPILOGUE(this->src, dst);
return 0;
}
/**
* Set appropriate parameters in `param,' and return the index in
* the hardware capability array `formats.'
@ -929,6 +975,10 @@ auconv_create_encodings(const struct audio_format *formats, int nformats,
capacity = 10;
buf = AUCONV_MALLOC(ENCODING_SET_SIZE(capacity));
if (buf == NULL) {
err = ENOMEM;
goto err_exit;
}
buf->size = 0;
for (i = 0; i < nformats; i++) {
if (!AUFMT_IS_VALID(&formats[i]))
@ -1064,6 +1114,7 @@ static int
auconv_add_encoding(int enc, int prec, int flags,
struct audio_encoding_set **buf, int *capacity)
{
#ifndef AUCONV_DEBUG
static const char *encoding_names[] = {
NULL, AudioEmulaw, AudioEalaw, NULL,
NULL, AudioEadpcm, AudioEslinear_le, AudioEslinear_be,
@ -1073,6 +1124,7 @@ auconv_add_encoding(int enc, int prec, int flags,
AudioEmpeg_l1_system, AudioEmpeg_l2_stream,
AudioEmpeg_l2_packets, AudioEmpeg_l2_system
};
#endif
struct audio_encoding_set *set;
struct audio_encoding_set *new_buf;
audio_encoding_t *e;