[PATCH v3] staging: greybus: audio: correct sscanf() return value check

[Alexander A. Klimov]

manager_sysfs_add_store() passes 6 pointers to sscanf(),
but required latter to return 7 which always failed the operation.
I corrected it to 6.

Fixes: 49b9137a6002 ("staging: greybus: audio: remove redundant slot field")
Signed-off-by: Alexander A. Klimov <grandmaster@xxxxxxxxxxxx>
---
 v2: added "Fixes:" to commit message
 v3: added all these v2/v3 lines here as requested by Greg KH
 v3: while on it, replaced title "Greybus audio protocols drivers:" ...
 v3: ... with "staging: greybus: audio:"

 drivers/staging/greybus/audio_manager_sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/greybus/audio_manager_sysfs.c b/drivers/staging/greybus/audio_manager_sysfs.c
index fcd518f954..ff323ca815 100644
--- a/drivers/staging/greybus/audio_manager_sysfs.c
+++ b/drivers/staging/greybus/audio_manager_sysfs.c
@@ -23,7 +23,7 @@ static ssize_t manager_sysfs_add_store(struct kobject *kobj,
 			desc.name, &desc.vid, &desc.pid, &desc.intf_id,
 			&desc.ip_devices, &desc.op_devices);

-	if (num != 7)
+	if (num != 6)
 		return -EINVAL;

 	num = gb_audio_manager_add(&desc);
--
2.54.0