diff options
| author | Nicholas Bellinger <nab@linux-iscsi.org> | 2015-02-27 14:54:13 +0300 |
|---|---|---|
| committer | Zefan Li <lizefan@huawei.com> | 2015-06-19 06:40:28 +0300 |
| commit | 444edcfc0bd195209594087dbe78a5dc8ef962b0 (patch) | |
| tree | ea181c6b5cf3b4ea28045a41dc77a69b8055510a /drivers/target | |
| parent | cac6fdb55e69d678a38cfdcb89412bcb66e4a665 (diff) | |
| download | linux-444edcfc0bd195209594087dbe78a5dc8ef962b0.tar.xz | |
target/pscsi: Fix NULL pointer dereference in get_device_type
commit 215a8fe4198f607f34ecdbc9969dae783d8b5a61 upstream.
This patch fixes a NULL pointer dereference OOPs with pSCSI backends
within target_core_stat.c code. The bug is caused by a configfs attr
read if no pscsi_dev_virt->pdv_sd has been configured.
Reported-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Zefan Li <lizefan@huawei.com>
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/target_core_pscsi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index d34577dbfd25..808267456eed 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -1165,7 +1165,7 @@ static u32 pscsi_get_device_type(struct se_device *dev) struct pscsi_dev_virt *pdv = dev->dev_ptr; struct scsi_device *sd = pdv->pdv_sd; - return sd->type; + return (sd) ? sd->type : TYPE_NO_LUN; } static sector_t pscsi_get_blocks(struct se_device *dev) |