Commit d8371f04 authored by Ingo Molnar's avatar Ingo Molnar Committed by Linus Torvalds
Browse files

[PATCH] lockdep: annotate sound/core/seq/seq_ports.c



Teach special (recursive) locking code to the lock validator.  Has no effect
on non-lockdep kernels.
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarArjan van de Ven <arjan@linux.intel.com>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Jaroslav Kysela <perex@suse.cz>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 8e7795ef
......@@ -514,7 +514,7 @@ int snd_seq_port_connect(struct snd_seq_client *connector,
atomic_set(&subs->ref_count, 2);
down_write(&src->list_mutex);
down_write(&dest->list_mutex);
down_write_nested(&dest->list_mutex, SINGLE_DEPTH_NESTING);
exclusive = info->flags & SNDRV_SEQ_PORT_SUBS_EXCLUSIVE ? 1 : 0;
err = -EBUSY;
......@@ -587,7 +587,7 @@ int snd_seq_port_disconnect(struct snd_seq_client *connector,
unsigned long flags;
down_write(&src->list_mutex);
down_write(&dest->list_mutex);
down_write_nested(&dest->list_mutex, SINGLE_DEPTH_NESTING);
/* look for the connection */
list_for_each(p, &src->list_head) {
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment