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Date: Sat, 12 Aug 2017 14:04:55 +0200 From: Phil Sutter <phil@....cc> To: Stephen Hemminger <stephen@...workplumber.org> Cc: netdev@...r.kernel.org Subject: [iproute PATCH 36/51] netem/maketable: Check return value of fstat() Otherwise info.st_size may contain garbage. Signed-off-by: Phil Sutter <phil@....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
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