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n_tty: Remove stale read lock comment

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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>
This commit is contained in:
Peter Hurley
2014-10-16 15:36:38 -04:00
committed by Greg Kroah-Hartman
parent 95ea90db01
commit fa59e25664
1 changed files with 0 additions and 2 deletions
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drivers/tty/n_tty.c
-2
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@@ -2248,8 +2248,6 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file,
nr--;
}
/* The copy function takes the read lock and handles
locking internally for this case */
uncopied = copy_from_read_buf(tty, &b, &nr);
uncopied += copy_from_read_buf(tty, &b, &nr);
if (uncopied) {