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-rw-r--r--src/wcmCommon.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/wcmCommon.c b/src/wcmCommon.c
index 0f041e3..35c302e 100644
--- a/src/wcmCommon.c
+++ b/src/wcmCommon.c
@@ -1455,9 +1455,10 @@ WacomCommonPtr wcmNewCommon(void)
{
WacomCommonPtr common;
common = calloc(1, sizeof(WacomCommonRec));
- if (common)
- common->refcnt = 1;
+ if (!common)
+ return NULL;;
+ common->refcnt = 1;
common->wcmFlags = 0; /* various flags */
common->wcmProtocolLevel = WCM_PROTOCOL_4; /* protocol level */
common->wcmTPCButton = 0; /* set Tablet PC button on/off */