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path: root/drivers/scsi/sg.c
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Diffstat (limited to 'drivers/scsi/sg.c')
-rw-r--r--drivers/scsi/sg.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index d4549092400c..2968c6b83ddb 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -245,6 +245,10 @@ sg_open(struct inode *inode, struct file *filp)
if (retval)
goto sg_put;
+ retval = scsi_autopm_get_device(sdp->device);
+ if (retval)
+ goto sdp_put;
+
if (!((flags & O_NONBLOCK) ||
scsi_block_when_processing_errors(sdp->device))) {
retval = -ENXIO;
@@ -302,8 +306,11 @@ sg_open(struct inode *inode, struct file *filp)
}
retval = 0;
error_out:
- if (retval)
+ if (retval) {
+ scsi_autopm_put_device(sdp->device);
+sdp_put:
scsi_device_put(sdp->device);
+ }
sg_put:
if (sdp)
sg_put_dev(sdp);
@@ -327,6 +334,7 @@ sg_release(struct inode *inode, struct file *filp)
sdp->exclude = 0;
wake_up_interruptible(&sdp->o_excl_wait);
+ scsi_autopm_put_device(sdp->device);
kref_put(&sfp->f_ref, sg_remove_sfp);
return 0;
}