Patch "nullb: fix error return code in null_init()" has been added to the 4.14-stable tree

Patch "nullb: fix error return code in null_init()" has been added to the 4.14-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    nullb: fix error return code in null_init()

to the 4.14-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     nullb-fix-error-return-code-in-null_init.patch
and it can be found in the queue-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Mon Dec 18 13:29:00 CET 2017
From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Tue, 17 Oct 2017 12:11:46 +0000
Subject: nullb: fix error return code in null_init()

From: Wei Yongjun <weiyongjun1@huawei.com>


[ Upstream commit 30c516d750396c5f3ec9cb04c9e025c25e91495e ]

Fix to return error code -ENOMEM from the null_alloc_dev() error
handling case instead of 0, as done elsewhere in this function.

Fixes: 2984c8684f96 ("nullb: factor disk parameters")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/block/null_blk.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -1985,8 +1985,10 @@ static int __init null_init(void)
 
 	for (i = 0; i < nr_devices; i++) {
 		dev = null_alloc_dev();
-		if (!dev)
+		if (!dev) {
+			ret = -ENOMEM;
 			goto err_dev;
+		}
 		ret = null_add_dev(dev);
 		if (ret) {
 			null_free_dev(dev);


Patches currently in stable-queue which might be from weiyongjun1@huawei.com are

queue-4.14/nullb-fix-error-return-code-in-null_init.patch
queue-4.14/mlxsw-spectrum-fix-error-return-code-in-mlxsw_sp_port_create.patch