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[iproute,v3,3/6] netem/maketable: Check return value of fscanf()

Message ID 20170824094131.2963-4-phil@nwl.cc
State Accepted, archived
Delegated to: stephen hemminger
Headers show

Commit Message

Phil Sutter Aug. 24, 2017, 9:41 a.m. UTC 
Signed-off-by: Phil Sutter <phil@nwl.cc>
---
 netem/maketable.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/netem/maketable.c b/netem/maketable.c
index ad660e7d457f0..ccb8f0c68b062 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;
 	}