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path: root/drivers/message/i2o/i2o_config.c
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Diffstat (limited to 'drivers/message/i2o/i2o_config.c')
-rw-r--r--drivers/message/i2o/i2o_config.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c
index c0fb77dc19bb..4238de98d4a6 100644
--- a/drivers/message/i2o/i2o_config.c
+++ b/drivers/message/i2o/i2o_config.c
@@ -1061,6 +1061,7 @@ static int cfg_open(struct inode *inode, struct file *file)
if (!tmp)
return -ENOMEM;
+ lock_kernel();
file->private_data = (void *)(i2o_cfg_info_id++);
tmp->fp = file;
tmp->fasync = NULL;
@@ -1074,6 +1075,7 @@ static int cfg_open(struct inode *inode, struct file *file)
spin_lock_irqsave(&i2o_config_lock, flags);
open_files = tmp;
spin_unlock_irqrestore(&i2o_config_lock, flags);
+ unlock_kernel();
return 0;
}
@@ -1082,15 +1084,17 @@ static int cfg_fasync(int fd, struct file *fp, int on)
{
ulong id = (ulong) fp->private_data;
struct i2o_cfg_info *p;
+ int ret = -EBADF;
+ lock_kernel();
for (p = open_files; p; p = p->next)
if (p->q_id == id)
break;
- if (!p)
- return -EBADF;
-
- return fasync_helper(fd, fp, on, &p->fasync);
+ if (p)
+ ret = fasync_helper(fd, fp, on, &p->fasync);
+ unlock_kernel();
+ return ret;
}
static int cfg_release(struct inode *inode, struct file *file)