[alsa-devel] [PATCH 2/3] ALSA: core: release the constraint check for replace ops

[Lu Guanqun]

Suppose the ALSA card already has a number of MAX_USER_CONTROLS controls, and
the user wants to replace one, it should not fail at this condition check.

Signed-off-by: Lu Guanqun <guanqun.lu at intel.com>
---
 sound/core/control.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/sound/core/control.c b/sound/core/control.c
index 7f2b3a7..98b7fc7 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -1073,7 +1073,7 @@ static int snd_ctl_elem_add(struct snd_ctl_file *file,
 	struct user_element *ue;
 	int idx, err;
 
-	if (card->user_ctl_count >= MAX_USER_CONTROLS)
+	if (card->user_ctl_count >= MAX_USER_CONTROLS + !!replace)
 		return -ENOMEM;
 	if (info->count < 1)
 		return -EINVAL;