[usbredir v1] usbredirhost: avoid access to null pointer

[Victor Toso <victortoso@xxxxxxxxxx>]

Another coverity complain.
---
 usbredirhost/usbredirhost.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/usbredirhost/usbredirhost.c b/usbredirhost/usbredirhost.c
index 22c5e39..7d57d40 100644
--- a/usbredirhost/usbredirhost.c
+++ b/usbredirhost/usbredirhost.c
@@ -160,7 +160,7 @@ va_log(struct usbredirhost *host, int level, const char *fmt, ...)
     va_list ap;
     int n;
 
-    if (level > host->verbose) {
+    if (host == NULL || level > host->verbose) {
         return;
     }
 
-- 
2.7.4

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