switch SNDRV_PCM_IOCTL_LINK to fget_light()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 53b5ada8f7c36fd5199366662cc0ce5c5233e66c..20554eff5a21947fe3806902d6825534868e702e 100644 (file)
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -1563,25 +1563,25 @@ static int snd_pcm_drop(struct snd_pcm_substream *substream)
 
 
 /* WARNING: Don't forget to fput back the file */
-static struct file *snd_pcm_file_fd(int fd)
+static struct file *snd_pcm_file_fd(int fd, int *fput_needed)
 {
        struct file *file;
        struct inode *inode;
        unsigned int minor;
 
-       file = fget(fd);
+       file = fget_light(fd, fput_needed);
        if (!file)
                return NULL;
        inode = file->f_path.dentry->d_inode;
        if (!S_ISCHR(inode->i_mode) ||
            imajor(inode) != snd_major) {
-               fput(file);
+               fput_light(file, *fput_needed);
                return NULL;
        }
        minor = iminor(inode);
        if (!snd_lookup_minor_data(minor, SNDRV_DEVICE_TYPE_PCM_PLAYBACK) &&
            !snd_lookup_minor_data(minor, SNDRV_DEVICE_TYPE_PCM_CAPTURE)) {
-               fput(file);
+               fput_light(file, *fput_needed);
                return NULL;
        }
        return file;
@@ -1597,8 +1597,9 @@ static int snd_pcm_link(struct snd_pcm_substream *substream, int fd)
        struct snd_pcm_file *pcm_file;
        struct snd_pcm_substream *substream1;
        struct snd_pcm_group *group;
+       int fput_needed;
 
-       file = snd_pcm_file_fd(fd);
+       file = snd_pcm_file_fd(fd, &fput_needed);
        if (!file)
                return -EBADFD;
        pcm_file = file->private_data;
@@ -1633,7 +1634,7 @@ static int snd_pcm_link(struct snd_pcm_substream *substream, int fd)
        write_unlock_irq(&snd_pcm_link_rwlock);
        up_write(&snd_pcm_link_rwsem);
  _nolock:
-       fput(file);
+       fput_light(file, fput_needed);
        if (res < 0)
                kfree(group);
        return res;