diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-07-30 19:36:55 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-30 19:36:55 +0200 |
| commit | bc588df79ebfb710abc27342fccf336a68ed1216 (patch) | |
| tree | e50e125eaa6da83fa715704e53c1bde013d1ef8e /drivers/scsi/ch.c | |
| parent | bce7f793daec3e65ec5c5705d2457b81fe7b5725 (diff) | |
| parent | 15dd859cacf312f606f54502d1f66537a1e5c78c (diff) | |
Merge branch 'x86/core' into x86/xsave
Diffstat (limited to 'drivers/scsi/ch.c')
| -rw-r--r-- | drivers/scsi/ch.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c index c4b938bc30d..3c257fe0893 100644 --- a/drivers/scsi/ch.c +++ b/drivers/scsi/ch.c @@ -22,6 +22,7 @@ #include <linux/chio.h> /* here are all the ioctls */ #include <linux/mutex.h> #include <linux/idr.h> +#include <linux/smp_lock.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> @@ -571,16 +572,19 @@ ch_open(struct inode *inode, struct file *file) scsi_changer *ch; int minor = iminor(inode); + lock_kernel(); spin_lock(&ch_index_lock); ch = idr_find(&ch_index_idr, minor); if (NULL == ch || scsi_device_get(ch->device)) { spin_unlock(&ch_index_lock); + unlock_kernel(); return -ENXIO; } spin_unlock(&ch_index_lock); file->private_data = ch; + unlock_kernel(); return 0; } @@ -926,6 +930,7 @@ static int ch_probe(struct device *dev) if (init) ch_init_elem(ch); + dev_set_drvdata(dev, ch); sdev_printk(KERN_INFO, sd, "Attached scsi changer %s\n", ch->name); return 0; |