[PATCH 2/2] Fix: Check if interface exists before creating it.

[sjur.brandeland at stericsson.com]

From: Sjur Brændeland <sjur.brandeland at stericsson.com>

---
 drivers/stemodem/gprs-context.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/stemodem/gprs-context.c b/drivers/stemodem/gprs-context.c
index c178fb6..79e697b 100644
--- a/drivers/stemodem/gprs-context.c
+++ b/drivers/stemodem/gprs-context.c
@@ -187,9 +187,11 @@ static gboolean caif_if_create(const char *interface, unsigned int connid)
 		return FALSE;
 	}
 
-	if (ioctl(s, SIOCCAIFNETNEW, &ifr) < 0) {
-		ofono_debug("Failed to create IP interface for CAIF");
-		return FALSE;
+	if (ioctl(s, SIOCGIFINDEX, &ifr) != 0) {
+		if (ioctl(s, SIOCCAIFNETNEW, &ifr) < 0) {
+			ofono_debug("Failed to create IP interface for CAIF");
+			return FALSE;
+		}
 	}
 
 	return TRUE;
-- 
1.6.3.3