diff options
Diffstat (limited to 'drivers/message/i2o/i2o_config.c')
| -rw-r--r-- | drivers/message/i2o/i2o_config.c | 12 |
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) |