If kpartx fails to create a copy of the dasd file descriptor, it should
fail, instead of treating the error value as a valid fd. Found by
coverity.
Signed-off-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
---
kpartx/dasd.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kpartx/dasd.c b/kpartx/dasd.c
index 61b609a5..d95d8ca0 100644
--- a/kpartx/dasd.c
+++ b/kpartx/dasd.c
@@ -138,6 +138,8 @@ read_dasd_pt(int fd, struct slice all, struct slice *sp, int ns)
return -1;
} else {
fd_dasd = dup(fd);
+ if (fd_dasd < 0)
+ return -1;
}
if (ioctl(fd_dasd, BIODASDINFO, (unsigned long)&info) != 0) {
--
2.17.2
--
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