Re: WARNING: CPU: 1 PID: 495 at mm/slab_common.c:69 kmem_cache_create+0x1a9/0x330()

Christoph Hellwig
2014-07-26T16:21:10Z

Here's a formal one.

James, can I get your signoff for it?

Vladimir, can I get a reviewed-by from you (or anyone else)?

---
>From 73b1034ab1418e2dea75ccf642bc85c728b57313 Mon Sep 17 00:00:00 2001
From: James Bottomley <James.Bottomley@HansenPartnership.com>
Date: Sat, 26 Jul 2014 12:21:26 -0400
Subject: scsi: use short driver name for per-driver cmd slab caches

hostt->name might contain space, so use the ->proc_name short name instead
when creating per-driver command slabs.

Reported-by: Vladimir Davydov <vdavydov@parallels.com>
Tested-by: Vladimir Davydov <vdavydov@parallels.com>
---
drivers/scsi/scsi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 33318f5..df33060 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -365,8 +365,8 @@ scsi_alloc_host_cmd_pool(struct Scsi_Host *shost)
if (!pool)
return NULL;

- pool->cmd_name = kasprintf(GFP_KERNEL, "%s_cmd", hostt->name);
- pool->sense_name = kasprintf(GFP_KERNEL, "%s_sense", hostt->name);
+ pool->cmd_name = kasprintf(GFP_KERNEL, "%s_cmd", hostt->proc_name);
+ pool->sense_name = kasprintf(GFP_KERNEL, "%s_sense", hostt->proc_name);
if (!pool->cmd_name || !pool->sense_name) {
scsi_free_host_cmd_pool(pool);
return NULL;
--
1.9.1