diff options
Diffstat (limited to 'sound/core/hwdep.c')
| -rw-r--r-- | sound/core/hwdep.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sound/core/hwdep.c b/sound/core/hwdep.c index a73baa1242be..26e71cf05f1e 100644 --- a/sound/core/hwdep.c +++ b/sound/core/hwdep.c @@ -177,7 +177,7 @@ static int snd_hwdep_release(struct inode *inode, struct file * file) return err; } -static unsigned int snd_hwdep_poll(struct file * file, poll_table * wait) +static __poll_t snd_hwdep_poll(struct file * file, poll_table * wait) { struct snd_hwdep *hw = file->private_data; if (hw->ops.poll) @@ -228,11 +228,11 @@ static int snd_hwdep_dsp_load(struct snd_hwdep *hw, memset(&info, 0, sizeof(info)); if (copy_from_user(&info, _info, sizeof(info))) return -EFAULT; + if (info.index >= 32) + return -EINVAL; /* check whether the dsp was already loaded */ if (hw->dsp_loaded & (1 << info.index)) return -EBUSY; - if (!access_ok(VERIFY_READ, info.image, info.length)) - return -EFAULT; err = hw->ops.dsp_load(hw, &info); if (err < 0) return err; |