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@@ -179,6 +179,29 @@ static struct tty_ldisc *tty_ldisc_get(int disc)
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return ld;
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}
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+/**
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+ * tty_ldisc_put - release the ldisc
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+ *
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+ * Complement of tty_ldisc_get().
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+ */
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+static inline void tty_ldisc_put(struct tty_ldisc *ld)
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+{
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+ unsigned long flags;
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+
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+ if (WARN_ON_ONCE(!ld))
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+ return;
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+
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+ raw_spin_lock_irqsave(&tty_ldisc_lock, flags);
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+
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+ /* unreleased reader reference(s) will cause this WARN */
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+ WARN_ON(!atomic_dec_and_test(&ld->users));
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+
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+ ld->ops->refcount--;
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+ module_put(ld->ops->owner);
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+ kfree(ld);
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+ raw_spin_unlock_irqrestore(&tty_ldisc_lock, flags);
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+}
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+
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static void *tty_ldiscs_seq_start(struct seq_file *m, loff_t *pos)
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{
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return (*pos < NR_LDISCS) ? pos : NULL;
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@@ -328,29 +351,6 @@ void tty_ldisc_deref(struct tty_ldisc *ld)
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}
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EXPORT_SYMBOL_GPL(tty_ldisc_deref);
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-/**
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- * tty_ldisc_put - release the ldisc
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- *
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- * Complement of tty_ldisc_get().
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- */
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-static inline void tty_ldisc_put(struct tty_ldisc *ld)
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-{
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- unsigned long flags;
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-
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- if (WARN_ON_ONCE(!ld))
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- return;
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-
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- raw_spin_lock_irqsave(&tty_ldisc_lock, flags);
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-
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- /* unreleased reader reference(s) will cause this WARN */
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- WARN_ON(!atomic_dec_and_test(&ld->users));
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-
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- ld->ops->refcount--;
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- module_put(ld->ops->owner);
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- kfree(ld);
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- raw_spin_unlock_irqrestore(&tty_ldisc_lock, flags);
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-}
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-
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/**
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* tty_ldisc_enable - allow ldisc use
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* @tty: terminal to activate ldisc on
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