Messages in this thread Patch in this message | | | Date | Mon, 29 May 2006 23:27:55 +0200 | From | Ingo Molnar <> | Subject | [patch 60/61] lock validator: special locking: sound/core/seq/seq_ports.c |
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From: Ingo Molnar <mingo@elte.hu>
teach special (recursive) locking code to the lock validator. Has no effect on non-lockdep kernels.
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> --- sound/core/seq/seq_ports.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
Index: linux/sound/core/seq/seq_ports.c =================================================================== --- linux.orig/sound/core/seq/seq_ports.c +++ linux/sound/core/seq/seq_ports.c @@ -518,7 +518,7 @@ int snd_seq_port_connect(struct snd_seq_ 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; @@ -591,7 +591,7 @@ int snd_seq_port_disconnect(struct snd_s 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) { - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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