From: Phil Sutter <phil@nwl.cc>
Date: Thu, 24 Aug 2017 09:41:28 +0000 (+0200)
Subject: netem/maketable: Check return value of fscanf()
X-Git-Tag: v4.13.0~20
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=92963d136de8c370324716add98888b2ce6e6a94;p=thirdparty%2Fiproute2.git

netem/maketable: Check return value of fscanf()

Signed-off-by: Phil Sutter <phil@nwl.cc>
---

diff --git a/netem/maketable.c b/netem/maketable.c
index ad660e7d4..ccb8f0c68 100644
--- a/netem/maketable.c
+++ b/netem/maketable.c
@@ -38,8 +38,8 @@ readdoubles(FILE *fp, int *number)
 	}
 
 	for (i=0; i<limit; ++i){
-		fscanf(fp, "%lf", &x[i]);
-		if (feof(fp))
+		if (fscanf(fp, "%lf", &x[i]) != 1 ||
+		    feof(fp))
 			break;
 		++n;
 	}