summaryrefslogtreecommitdiff
path: root/drivers/scsi/sg.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/sg.c')
-rw-r--r--drivers/scsi/sg.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index baf870a03ecf..3c02a5f7b5f3 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -307,10 +307,6 @@ sg_open(struct inode *inode, struct file *filp)
if (retval)
goto sg_put;
- retval = scsi_autopm_get_device(device);
- if (retval)
- goto sdp_put;
-
/* scsi_block_when_processing_errors() may block so bypass
* check if O_NONBLOCK. Permits SCSI commands to be issued
* during error recovery. Tread carefully. */
@@ -318,7 +314,7 @@ sg_open(struct inode *inode, struct file *filp)
scsi_block_when_processing_errors(device))) {
retval = -ENXIO;
/* we are in error recovery for this device */
- goto error_out;
+ goto sdp_put;
}
mutex_lock(&sdp->open_rel_lock);
@@ -371,8 +367,6 @@ out_undo:
}
error_mutex_locked:
mutex_unlock(&sdp->open_rel_lock);
-error_out:
- scsi_autopm_put_device(device);
sdp_put:
kref_put(&sdp->d_ref, sg_device_destroy);
scsi_device_put(device);
@@ -392,8 +386,6 @@ sg_release(struct inode *inode, struct file *filp)
SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp, "sg_release\n"));
mutex_lock(&sdp->open_rel_lock);
- scsi_autopm_put_device(sdp->device);
- kref_put(&sfp->f_ref, sg_remove_sfp);
sdp->open_cnt--;
/* possibly many open()s waiting on exlude clearing, start many;
@@ -405,6 +397,7 @@ sg_release(struct inode *inode, struct file *filp)
wake_up_interruptible(&sdp->open_wait);
}
mutex_unlock(&sdp->open_rel_lock);
+ kref_put(&sfp->f_ref, sg_remove_sfp);
return 0;
}
@@ -1424,7 +1417,6 @@ static const struct file_operations sg_fops = {
.mmap = sg_mmap,
.release = sg_release,
.fasync = sg_fasync,
- .llseek = no_llseek,
};
static const struct class sg_sysfs_class = {
@@ -1647,7 +1639,7 @@ MODULE_PARM_DESC(allow_dio, "allow direct I/O (default: 0 (disallow))");
#ifdef CONFIG_SYSCTL
#include <linux/sysctl.h>
-static struct ctl_table sg_sysctls[] = {
+static const struct ctl_table sg_sysctls[] = {
{
.procname = "sg-big-buff",
.data = &sg_big_buff,
@@ -1666,8 +1658,7 @@ static void register_sg_sysctls(void)
static void unregister_sg_sysctls(void)
{
- if (hdr)
- unregister_sysctl_table(hdr);
+ unregister_sysctl_table(hdr);
}
#else
#define register_sg_sysctls() do { } while (0)