[PATCH] param: add error check to dev_param_set_generic()

[Masahiro Yamada]

The function dev_param_set_generic() may fail because of
out of memory.  If so, return -ENOMEM.

Signed-off-by: Masahiro Yamada <yamada.m at jp.panasonic.com>
---

 lib/parameter.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/parameter.c b/lib/parameter.c
index d337ef3..71262c4 100644
--- a/lib/parameter.c
+++ b/lib/parameter.c
@@ -114,7 +114,7 @@ int dev_param_set_generic(struct device_d *dev, struct param_d *p,
 		return 0;
 	}
 	p->value = strdup(val);
-	return 0;
+	return p->value ? 0 : -ENOMEM;
 }
 
 static const char *param_get_generic(struct device_d *dev, struct param_d *p)
-- 
1.9.1