31 lines
854 B
Diff
31 lines
854 B
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Benjamin Marzinski <bmarzins@redhat.com>
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Date: Thu, 16 May 2019 12:55:16 -0500
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Subject: [PATCH] kpartx: fail if dup() of dasd file descriptor fails
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If kpartx fails to create a copy of the dasd file descriptor, it should
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fail, instead of treating the error value as a valid fd. Found by
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coverity.
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Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
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---
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kpartx/dasd.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/kpartx/dasd.c b/kpartx/dasd.c
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index 61b609a..d95d8ca 100644
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--- a/kpartx/dasd.c
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+++ b/kpartx/dasd.c
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@@ -138,6 +138,8 @@ read_dasd_pt(int fd, struct slice all, struct slice *sp, int ns)
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return -1;
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} else {
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fd_dasd = dup(fd);
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+ if (fd_dasd < 0)
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+ return -1;
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}
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if (ioctl(fd_dasd, BIODASDINFO, (unsigned long)&info) != 0) {
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--
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2.17.2
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