Proper initialization of param 'size_t n' to '0' for
getline to function correctly.

Signed-off-by: Dehan Meng <demeng@redhat.com>
---
 qga/commands-linux.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qga/commands-linux.c b/qga/commands-linux.c
index f0e9cdd27c..32bf1b8ce7 100644
--- a/qga/commands-linux.c
+++ b/qga/commands-linux.c
@@ -2126,7 +2126,7 @@ GuestNetworkRouteList *qmp_guest_network_get_route(Error **errp)
     GuestNetworkRouteList *head = NULL, **tail = &head;
     const char *routeFiles[] = {"/proc/net/route", "/proc/net/ipv6_route"};
     FILE *fp;
-    size_t n;
+    size_t n = 0;
     char *line = NULL;
     int firstLine;
     int is_ipv6;
-- 
2.40.1