diff options
| author | Nicholas Bellinger <nab@linux-iscsi.org> | 2015-02-27 03:54:13 -0800 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2015-03-19 23:26:42 -0700 |
| commit | 215a8fe4198f607f34ecdbc9969dae783d8b5a61 (patch) | |
| tree | d9c16091abc862f6ce9bfd435fe049bd0251d2f0 | |
| parent | d556546e7ecd9fca199df4698943024d40044f8e (diff) | |
| download | linux-215a8fe4198f607f34ecdbc9969dae783d8b5a61.tar.bz2 | |
target/pscsi: Fix NULL pointer dereference in get_device_type
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>
Cc: <stable@vger.kernel.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
| -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 1045dcd7bf65..f6c954c4635f 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -1121,7 +1121,7 @@ static u32 pscsi_get_device_type(struct se_device *dev) struct pscsi_dev_virt *pdv = PSCSI_DEV(dev); 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) |