sound: Unlock around uiomove() in midi_{read,write}()

Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Reviewed by:	markj
Differential Revision:	https://reviews.freebsd.org/D54130

This commit is contained in:

Christos Margiolis

2026-01-12 12:27:15 +01:00

parent c5dc38bcc2

commit 6b69d6726a

1 changed files with 6 additions and 2 deletions

									
										sys/dev/sound/midi/midi.c
									
		+6
		-2
	
												View File
												
				@@ -391,9 +391,11 @@ midi_read(struct cdev *i_dev, struct uio *uio, int ioflag)

						used = MIN(used, MIDI_RSIZE);

						MIDIQ_DEQ(m->inq, buf, used);

						mtx_unlock(&m->lock);

						retval = uiomove(buf, used, uio);

						if (retval)

							goto err1;

							goto err0;

						mtx_lock(&m->lock);

					}

					/*

				@@ -457,9 +459,11 @@ midi_write(struct cdev *i_dev, struct uio *uio, int ioflag)

						used = MIN(MIDIQ_AVAIL(m->outq), uio->uio_resid);

						used = MIN(used, MIDI_WSIZE);

						mtx_unlock(&m->lock);

						retval = uiomove(buf, used, uio);

						if (retval)

							goto err1;

							goto err0;

						mtx_lock(&m->lock);

						MIDIQ_ENQ(m->outq, buf, used);

						/*

					         * Inform the bottom half that data can be written