[iproute PATCH v3 5/6] netem/maketable: Check return value of fstat()

[Phil Sutter]

Otherwise info.st_size may contain garbage.

Signed-off-by: Phil Sutter <p...@nwl.cc>
---
 netem/maketable.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/netem/maketable.c b/netem/maketable.c
index 6aff927be7040..ad660e7d457f0 100644
--- a/netem/maketable.c
+++ b/netem/maketable.c
@@ -24,8 +24,8 @@ readdoubles(FILE *fp, int *number)
        int limit;
        int n=0, i;
 
-       fstat(fileno(fp), &info);
-       if (info.st_size > 0) {
+       if (!fstat(fileno(fp), &info) &&
+           info.st_size > 0) {
                limit = 2*info.st_size/sizeof(double);  /* @@ approximate */
        } else {
                limit = 10000;
-- 
2.13.1