mirrors/scst
1
0
Fork 0
mirror of https://github.com/SCST-project/scst.git synced 2026-08-17 20:56:24 +00:00
Code Issues Packages Projects Releases Wiki Activity

ibmvstgt: Made sure that accessing sysfs entries during target creation is harmless.

Browse Source 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@2704 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2010-11-14 09:32:32 +00:00
parent 83a967d3a3
commit 662197f200
1 changed files with 10 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
ibmvstgt/src/ibmvstgt.c
+10 -2
View File
@@ -349,9 +349,13 @@ static int ibmvstgt_rdma(struct scst_cmd *sc, struct scatterlist *sg, int nsg,
static int ibmvstgt_enable_target(struct scst_tgt *scst_tgt, bool enable)
{
struct srp_target *target = scst_tgt_get_tgt_priv(scst_tgt);
struct vio_port *vport = target_to_port(target);
struct vio_port *vport;
unsigned long flags;
if (!target)
return -ENOENT;
vport = target_to_port(target);
TRACE_DBG("%s target %d", enable ? "Enabling" : "Disabling",
vport->dma_dev->unit_address);
@@ -368,10 +372,14 @@ static int ibmvstgt_enable_target(struct scst_tgt *scst_tgt, bool enable)
static bool ibmvstgt_is_target_enabled(struct scst_tgt *scst_tgt)
{
struct srp_target *target = scst_tgt_get_tgt_priv(scst_tgt);
struct vio_port *vport = target_to_port(target);
struct vio_port *vport;
unsigned long flags;
bool res;
if (!target)
return false;
vport = target_to_port(target);
spin_lock_irqsave(&target->lock, flags);
res = vport->enabled;
spin_unlock_irqrestore(&target->lock, flags);