git: 28dc9f54efa9 - stable/14 - sound: Use M_WAITOK where possible

The branch stable/14 has been updated by christos:

URL: https://cgit.FreeBSD.org/src/commit/?id=28dc9f54efa94c3a17b7cfd98c7a51d42e57893a

commit 28dc9f54efa94c3a17b7cfd98c7a51d42e57893a
Author:     Christos Margiolis <christos@FreeBSD.org>
AuthorDate: 2024-10-18 08:41:05 +0000
Commit:     Christos Margiolis <christos@FreeBSD.org>
CommitDate: 2024-10-20 11:21:05 +0000

    sound: Use M_WAITOK where possible
    
    These malloc(9) calls are in contexts where sleeping is permitted.
    
    Sponsored by:   The FreeBSD Foundation
    MFC after:      2 days
    Reviewed by:    dev_submerge.ch, zlei, markj, emaste
    Differential Revision:  https://reviews.freebsd.org/D46845
    
    (cherry picked from commit 5e33eca8e8f359d4d48f4c50334a03748420a7da)
---
 sys/dev/sound/pcm/channel.c |  7 +------
 sys/dev/sound/pcm/feeder.c  | 14 ++------------
 2 files changed, 3 insertions(+), 18 deletions(-)

diff --git a/sys/dev/sound/pcm/channel.c b/sys/dev/sound/pcm/channel.c
index 1e68be161322..6b8f00f9aa83 100644
--- a/sys/dev/sound/pcm/channel.c
+++ b/sys/dev/sound/pcm/channel.c
@@ -1296,12 +1296,7 @@ chn_init(struct snddev_info *d, struct pcm_channel *parent, kobj_class_t cls,
 	 */
 	if (c->direction == PCMDIR_PLAY) {
 		bs->sl = sndbuf_getmaxsize(bs);
-		bs->shadbuf = malloc(bs->sl, M_DEVBUF, M_NOWAIT);
-		if (bs->shadbuf == NULL) {
-			device_printf(d->dev, "%s(): failed to create shadow "
-			    "buffer\n", __func__);
-			goto fail;
-		}
+		bs->shadbuf = malloc(bs->sl, M_DEVBUF, M_WAITOK);
 	}
 
 	PCM_LOCK(d);
diff --git a/sys/dev/sound/pcm/feeder.c b/sys/dev/sound/pcm/feeder.c
index c6f93ac54036..2b9599859102 100644
--- a/sys/dev/sound/pcm/feeder.c
+++ b/sys/dev/sound/pcm/feeder.c
@@ -62,11 +62,7 @@ feeder_register_root(void *p)
 	KASSERT(fc->desc == NULL, ("first feeder not root: %s", fc->name));
 
 	SLIST_INIT(&feedertab);
-	fte = malloc(sizeof(*fte), M_FEEDER, M_NOWAIT | M_ZERO);
-	if (fte == NULL) {
-		printf("can't allocate memory for root feeder: %s\n", fc->name);
-		return;
-	}
+	fte = malloc(sizeof(*fte), M_FEEDER, M_WAITOK | M_ZERO);
 	fte->feederclass = fc;
 	fte->desc = NULL;
 	fte->idx = feedercnt;
@@ -92,13 +88,7 @@ feeder_register(void *p)
 	 */
 	i = 0;
 	while ((feedercnt < MAXFEEDERS) && (fc->desc[i].type > 0)) {
-		fte = malloc(sizeof(*fte), M_FEEDER, M_NOWAIT | M_ZERO);
-		if (fte == NULL) {
-			printf("can't allocate memory for feeder '%s', "
-			    "%x -> %x\n",
-			    fc->name, fc->desc[i].in, fc->desc[i].out);
-			return;
-		}
+		fte = malloc(sizeof(*fte), M_FEEDER, M_WAITOK | M_ZERO);
 		fte->feederclass = fc;
 		fte->desc = &fc->desc[i];
 		fte->idx = feedercnt;