diff options
Diffstat (limited to 'drivers/message')
| -rw-r--r-- | drivers/message/i2o/i2o_config.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c index 95b4c108585..4238de98d4a 100644 --- a/drivers/message/i2o/i2o_config.c +++ b/drivers/message/i2o/i2o_config.c @@ -1084,15 +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) |