git: 16608adccae5 - stable/12 - loader: should check malloc in zfs_dev_open

From: Kyle Evans <kevans_at_FreeBSD.org>
Date: Fri, 08 Oct 2021 01:16:22 UTC
The branch stable/12 has been updated by kevans:

URL: https://cgit.FreeBSD.org/src/commit/?id=16608adccae5bac11367c71a964d374631ef6a5f

commit 16608adccae5bac11367c71a964d374631ef6a5f
Author:     Toomas Soome <tsoome@FreeBSD.org>
AuthorDate: 2019-11-03 13:03:47 +0000
Commit:     Kyle Evans <kevans@FreeBSD.org>
CommitDate: 2021-10-08 01:15:58 +0000

    loader: should check malloc in zfs_dev_open
    
    malloc can return NULL.
    
    (cherry picked from commit f4ed0045735d88aa681b4933072ff35a890a86a0)
---
 stand/libsa/zfs/zfs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/stand/libsa/zfs/zfs.c b/stand/libsa/zfs/zfs.c
index 3393bcc45052..9386dd7b3729 100644
--- a/stand/libsa/zfs/zfs.c
+++ b/stand/libsa/zfs/zfs.c
@@ -683,6 +683,8 @@ zfs_dev_open(struct open_file *f, ...)
 	if (!spa)
 		return (ENXIO);
 	mount = malloc(sizeof(*mount));
+	if (mount == NULL)
+		return (ENOMEM);
 	rv = zfs_mount(spa, dev->root_guid, mount);
 	if (rv != 0) {
 		free(mount);