diff options
| author | Jonathan Corbet <corbet@lwn.net> | 2008-05-15 09:09:23 -0600 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2008-05-18 15:43:40 -0600 |
| commit | 75bd2ef1457998791cfc89cd59927574488fc22a (patch) | |
| tree | 8468afbf17f58ab7bfbb661fa167e50a9e06994c /block/bsg.c | |
| parent | b8291ad07a7f3b5b990900f0001198ac23ba893e (diff) | |
| download | lwn-75bd2ef1457998791cfc89cd59927574488fc22a.tar.gz lwn-75bd2ef1457998791cfc89cd59927574488fc22a.zip | |
bsg: cdev lock_kernel() pushdown
Push the cdev lock_kernel call into bsg_open().
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'block/bsg.c')
| -rw-r--r-- | block/bsg.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/block/bsg.c b/block/bsg.c index f0b7cd343216..dbe3ffd505ca 100644 --- a/block/bsg.c +++ b/block/bsg.c @@ -19,6 +19,7 @@ #include <linux/uio.h> #include <linux/idr.h> #include <linux/bsg.h> +#include <linux/smp_lock.h> #include <scsi/scsi.h> #include <scsi/scsi_ioctl.h> @@ -834,7 +835,11 @@ static struct bsg_device *bsg_get_device(struct inode *inode, struct file *file) static int bsg_open(struct inode *inode, struct file *file) { - struct bsg_device *bd = bsg_get_device(inode, file); + struct bsg_device *bd; + + lock_kernel(); + bd = bsg_get_device(inode, file); + unlock_kernel(); if (IS_ERR(bd)) return PTR_ERR(bd); |