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drivers/misc/ti-st: Prefer tty_driver_flush_buffer

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The tty core provides an interface for flushing the driver's
write buffer: tty_driver_flush_buffer(); prefer the provided
interface over open-coded. Open-coding can lead to errors
such as the duplicated call in the st_kim driver.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2013-11-29 18:00:35 -05:00 • committed by Greg Kroah-Hartman
parent 10ee90743e
commit 94459a975b
2 changed files with 1 additions and 2 deletions
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2
drivers/misc/ti-st/st_core.c
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@ -812,7 +812,7 @@ static void st_tty_flush_buffer(struct tty_struct *tty)
kfree_skb(st_gdata->tx_skb); kfree_skb(st_gdata->tx_skb);
st_gdata->tx_skb = NULL; st_gdata->tx_skb = NULL;
tty->ops->flush_buffer(tty); tty_driver_flush_buffer(tty);
return; return;
} }

1
drivers/misc/ti-st/st_kim.c
View file

@ -531,7 +531,6 @@ long st_kim_stop(void *kim_data)
/* Flush any pending characters in the driver and discipline. */ /* Flush any pending characters in the driver and discipline. */
tty_ldisc_flush(tty); tty_ldisc_flush(tty);
tty_driver_flush_buffer(tty); tty_driver_flush_buffer(tty);
tty->ops->flush_buffer(tty);
} }
/* send uninstall notification to UIM */ /* send uninstall notification to UIM */