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n_tty: Remove stale read lock comment
The stale comment refers to lock behavior which was eliminated in
commit 6d76bd2618
,
n_tty: Make N_TTY ldisc receive path lockless.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 0 additions and 2 deletions
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@ -2248,8 +2248,6 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file,
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nr--;
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}
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/* The copy function takes the read lock and handles
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locking internally for this case */
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uncopied = copy_from_read_buf(tty, &b, &nr);
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uncopied += copy_from_read_buf(tty, &b, &nr);
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if (uncopied) {
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