Before adding a new parameter to a device we should check if
it already exists.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
lib/parameter.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/lib/parameter.c b/lib/parameter.c
index e746467..baf7720 100644
--- a/lib/parameter.c
+++ b/lib/parameter.c
@@ -183,6 +183,10 @@ int dev_add_param(struct device_d *dev, const char *name,
{
struct param_d *param;
+ param = get_param_by_name(dev, name);
+ if (param)
+ return -EEXIST;
+
param = __dev_add_param(dev, name, set, get, flags);
return param ? 0 : -EINVAL;
--
1.7.10
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