31 lines
854 B
Diff
31 lines
854 B
Diff
|
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
||
|
From: Benjamin Marzinski <bmarzins@redhat.com>
|
||
|
Date: Thu, 16 May 2019 12:55:16 -0500
|
||
|
Subject: [PATCH] kpartx: fail if dup() of dasd file descriptor fails
|
||
|
|
||
|
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@redhat.com>
|
||
|
---
|
||
|
kpartx/dasd.c | 2 ++
|
||
|
1 file changed, 2 insertions(+)
|
||
|
|
||
|
diff --git a/kpartx/dasd.c b/kpartx/dasd.c
|
||
|
index 61b609a..d95d8ca 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
|
||
|
|