greybus: loopback_test: fix warning about signed/unsigned comparison

We read an int, don't treat it as a unsigned value, especially when
comparing it to a signed value.

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

diff --git a/drivers/staging/greybus/tools/loopback_test.c b/drivers/staging/greybus/tools/loopback_test.c
index 55b3102..5c2a9fc 100644 (file)
--- a/drivers/staging/greybus/tools/loopback_test.c
+++ b/drivers/staging/greybus/tools/loopback_test.c
@@ -689,7 +689,7 @@ static int unregister_for_notification(struct loopback_test *t)
 
 static int is_complete(struct loopback_test *t)
 {
-       uint32_t iteration_count = 0;
+       int iteration_count;
        int i;
 
        for (i = 0; i < t->device_count; i++) {