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Commit 285a8344 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "n_tty: Fix n_tty_write crash when echoing in raw mode"

parents 6d60e4d6 91899288

drivers/tty/n_tty.c

+4 −0
Original line number Diff line number Diff line
@@ -2066,8 +2066,12 @@ static ssize_t n_tty_write(struct tty_struct *tty, struct file *file, 
			if (tty->ops->flush_chars)

				tty->ops->flush_chars(tty);

		} else {

			struct n_tty_data *ldata = tty->disc_data;



			while (nr > 0) {

				mutex_lock(&ldata->output_lock);

				c = tty->ops->write(tty, b, nr);

				mutex_unlock(&ldata->output_lock);

				if (c < 0) {

					retval = c;

					goto break_out;