md: cleanup: use seq_release_private() where appropriate

We can save some lines of code by using seq_release_private().

Signed-off-by: Martin Peschke <mp3@de.ibm.com>
Acked-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 220e8e6..afff038 100644 (file)
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4941,15 +4941,6 @@ static int md_seq_open(struct inode *inode, struct file *file)
        return error;
 }
 
-static int md_seq_release(struct inode *inode, struct file *file)
-{
-       struct seq_file *m = file->private_data;
-       struct mdstat_info *mi = m->private;
-       m->private = NULL;
-       kfree(mi);
-       return seq_release(inode, file);
-}
-
 static unsigned int mdstat_poll(struct file *filp, poll_table *wait)
 {
        struct seq_file *m = filp->private_data;
@@ -4971,7 +4962,7 @@ static const struct file_operations md_seq_fops = {
        .open           = md_seq_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
-       .release        = md_seq_release,
+       .release        = seq_release_private,
        .poll           = mdstat_poll,
 };