From: Christoph Hellwig <hch@lst.de>
To: linux-scsi@vger.kernel.org
Cc: Hannes Reinecke <hare@suse.de>, Mike Snitzer <snitzer@redhat.com>,
Mike Christie <michaelc@cs.wisc.edu>,
"Martin K. Petersen" <martin.petersen@oracle.com>
Subject: [PATCH 1/9] dm-mpath: check kstrdup return value in parse_hw_handler
Date: Thu, 30 Apr 2015 19:32:23 +0200 [thread overview]
Message-ID: <1430415151-30948-2-git-send-email-hch@lst.de> (raw)
In-Reply-To: <1430415151-30948-1-git-send-email-hch@lst.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/md/dm-mpath.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 6395347..01e5f8e 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -732,6 +732,9 @@ static int parse_hw_handler(struct dm_arg_set *as, struct multipath *m)
return 0;
m->hw_handler_name = kstrdup(dm_shift_arg(as), GFP_KERNEL);
+ if (!m->hw_handler_name)
+ return -ENOMEM;
+
if (!try_then_request_module(scsi_dh_handler_exist(m->hw_handler_name),
"scsi_dh_%s", m->hw_handler_name)) {
ti->error = "unknown hardware handler type";
--
1.9.1
next prev parent reply other threads:[~2015-04-30 17:33 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-30 17:32 integrate scsi_dh better into the scsi core Christoph Hellwig
2015-04-30 17:32 ` Christoph Hellwig [this message]
2015-04-30 18:35 ` [PATCH 1/9] dm-mpath: check kstrdup return value in parse_hw_handler Hannes Reinecke
2015-05-01 13:57 ` Mike Snitzer
2015-05-01 15:07 ` Martin K. Petersen
2015-05-01 15:29 ` Martin K. Petersen
2015-04-30 17:32 ` [PATCH 2/9] dm-mpath, scsi_dh: don't let dm detach device handlers Christoph Hellwig
2015-04-30 18:21 ` Mike Snitzer
2015-05-01 9:20 ` Christoph Hellwig
2015-05-01 7:10 ` Hannes Reinecke
2015-05-01 13:58 ` Mike Snitzer
2015-05-01 15:30 ` Martin K. Petersen
2015-04-30 17:32 ` [PATCH 3/9] dm-mpath: don't call scsi_dh_attach when we want to retain the attached handler Christoph Hellwig
2015-04-30 18:25 ` Mike Snitzer
2015-05-01 7:10 ` Hannes Reinecke
2015-05-01 15:34 ` Martin K. Petersen
2015-05-01 16:46 ` Christoph Hellwig
2015-04-30 17:32 ` [PATCH 4/9] dm-mpath, scsi_dh: request scsi_dh modules in scsi_dh, not dm-mpath Christoph Hellwig
2015-04-30 18:28 ` Mike Snitzer
2015-05-01 7:11 ` Hannes Reinecke
2015-05-01 13:59 ` Mike Snitzer
2015-05-01 15:35 ` Martin K. Petersen
2015-04-30 17:32 ` [PATCH 5/9] scsi_dh: integrate into the core SCSI code Christoph Hellwig
2015-05-01 7:13 ` Hannes Reinecke
2015-05-01 15:36 ` Martin K. Petersen
2015-05-04 7:50 ` Hannes Reinecke
2015-05-05 15:25 ` Christoph Hellwig
2015-04-30 17:32 ` [PATCH 6/9] scsi_dh: move device matching to the core code Christoph Hellwig
2015-04-30 18:32 ` Mike Snitzer
2015-05-01 7:15 ` Hannes Reinecke
2015-05-01 15:39 ` Martin K. Petersen
2015-04-30 17:32 ` [PATCH 7/9] scsi_dh: kill struct scsi_dh_data Christoph Hellwig
2015-05-01 7:17 ` Hannes Reinecke
2015-05-01 15:41 ` Martin K. Petersen
2015-04-30 17:32 ` [PATCH 8/9] scsi_dh: add a common helper to get a scsi_device from a request_queue Christoph Hellwig
2015-05-01 7:18 ` Hannes Reinecke
2015-05-01 15:45 ` Martin K. Petersen
2015-04-30 17:32 ` [PATCH 9/9] scsi_dh: don't allow to detach device handlers at runtime Christoph Hellwig
2015-05-01 7:19 ` Hannes Reinecke
2015-05-01 15:46 ` Martin K. Petersen
2015-04-30 18:31 ` integrate scsi_dh better into the scsi core Mike Snitzer
2015-05-01 15:47 ` Martin K. Petersen
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