From: Ido Rosen <ido@kernel.org>
Date: Sun, 25 Apr 2021 10:37:23 +0000 (-0400)
Subject: Linux: fix sign-conversion compiler warning.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4b97e2da9e76c2efdc45e08b07f534681dc4d195;p=thirdparty%2Fdhcpcd.git

Linux: fix sign-conversion compiler warning.
---

diff --git a/src/if-linux.c b/src/if-linux.c
index 9d6f5a92..19798cbd 100644
--- a/src/if-linux.c
+++ b/src/if-linux.c
@@ -338,10 +338,9 @@ if_cmp_driver(struct interface *ifp, const char *driver)
 		logerr("%s: if_get_driver ifname=%s", __func__, ifp->name);
 	} else if (n == 0) {
 		logerr("%s: driver name empty ifname=%s", __func__, ifp->name);
-	} else if (n > 0) {
-		if (strncmp(ifdriver, driver, n) == 0)
-			return true;
 	}
+	if ((n >= 0) && (strncmp(ifdriver, driver, (size_t)n) == 0))
+		return true;
 	return false;
 }