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-rw-r--r--bin/sh/eval.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/bin/sh/eval.c b/bin/sh/eval.c
index d3708b3..1a6d5ed 100644
--- a/bin/sh/eval.c
+++ b/bin/sh/eval.c
@@ -589,7 +589,8 @@ evalpipe(union node *n)
pip[1] = -1;
if (lp->next) {
if (pipe(pip) < 0) {
- close(prevfd);
+ if (prevfd >= 0)
+ close(prevfd);
error("Pipe call failed: %s", strerror(errno));
}
}
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