6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jiri Slaby (SUSE) <jirislaby@xxxxxxxxxx> [ Upstream commit 866025f0237609532bc8e4af5ef4d7252d3b55b6 ] There is no need to define one in a custom structure. The tty_port one is free to use. Signed-off-by: Jiri Slaby (SUSE) <jirislaby@xxxxxxxxxx> Cc: Mathias Nyman <mathias.nyman@xxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: linux-usb@xxxxxxxxxxxxxxx Link: https://lore.kernel.org/r/20240808103549.429349-6-jirislaby@xxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Stable-dep-of: 30c9ae5ece8e ("xhci: dbc: honor usb transfer size boundaries.") Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/usb/host/xhci-dbgcap.h | 1 - drivers/usb/host/xhci-dbgtty.c | 17 +++++++++-------- 2 files changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/usb/host/xhci-dbgcap.h b/drivers/usb/host/xhci-dbgcap.h index ca04192fdab1d..0d4d60758af97 100644 --- a/drivers/usb/host/xhci-dbgcap.h +++ b/drivers/usb/host/xhci-dbgcap.h @@ -108,7 +108,6 @@ struct dbc_port { struct tasklet_struct push; struct list_head write_pool; - struct kfifo write_fifo; bool registered; }; diff --git a/drivers/usb/host/xhci-dbgtty.c b/drivers/usb/host/xhci-dbgtty.c index 43d3c95eb8ddb..f6e25a1cec115 100644 --- a/drivers/usb/host/xhci-dbgtty.c +++ b/drivers/usb/host/xhci-dbgtty.c @@ -36,7 +36,7 @@ static int dbc_start_tx(struct dbc_port *port) while (!list_empty(pool)) { req = list_entry(pool->next, struct dbc_request, list_pool); - len = kfifo_out(&port->write_fifo, req->buf, DBC_MAX_PACKET); + len = kfifo_out(&port->port.xmit_fifo, req->buf, DBC_MAX_PACKET); if (len == 0) break; do_tty_wake = true; @@ -204,7 +204,7 @@ static int dbc_tty_write(struct tty_struct *tty, spin_lock_irqsave(&port->port_lock, flags); if (count) - count = kfifo_in(&port->write_fifo, buf, count); + count = kfifo_in(&port->port.xmit_fifo, buf, count); dbc_start_tx(port); spin_unlock_irqrestore(&port->port_lock, flags); @@ -218,7 +218,7 @@ static int dbc_tty_put_char(struct tty_struct *tty, unsigned char ch) int status; spin_lock_irqsave(&port->port_lock, flags); - status = kfifo_put(&port->write_fifo, ch); + status = kfifo_put(&port->port.xmit_fifo, ch); spin_unlock_irqrestore(&port->port_lock, flags); return status; @@ -241,7 +241,7 @@ static unsigned int dbc_tty_write_room(struct tty_struct *tty) unsigned int room; spin_lock_irqsave(&port->port_lock, flags); - room = kfifo_avail(&port->write_fifo); + room = kfifo_avail(&port->port.xmit_fifo); spin_unlock_irqrestore(&port->port_lock, flags); return room; @@ -254,7 +254,7 @@ static unsigned int dbc_tty_chars_in_buffer(struct tty_struct *tty) unsigned int chars; spin_lock_irqsave(&port->port_lock, flags); - chars = kfifo_len(&port->write_fifo); + chars = kfifo_len(&port->port.xmit_fifo); spin_unlock_irqrestore(&port->port_lock, flags); return chars; @@ -412,7 +412,8 @@ static int xhci_dbc_tty_register_device(struct xhci_dbc *dbc) goto err_idr; } - ret = kfifo_alloc(&port->write_fifo, DBC_WRITE_BUF_SIZE, GFP_KERNEL); + ret = kfifo_alloc(&port->port.xmit_fifo, DBC_WRITE_BUF_SIZE, + GFP_KERNEL); if (ret) goto err_exit_port; @@ -441,7 +442,7 @@ static int xhci_dbc_tty_register_device(struct xhci_dbc *dbc) xhci_dbc_free_requests(&port->read_pool); xhci_dbc_free_requests(&port->write_pool); err_free_fifo: - kfifo_free(&port->write_fifo); + kfifo_free(&port->port.xmit_fifo); err_exit_port: idr_remove(&dbc_tty_minors, port->minor); err_idr: @@ -466,7 +467,7 @@ static void xhci_dbc_tty_unregister_device(struct xhci_dbc *dbc) idr_remove(&dbc_tty_minors, port->minor); mutex_unlock(&dbc_tty_minors_lock); - kfifo_free(&port->write_fifo); + kfifo_free(&port->port.xmit_fifo); xhci_dbc_free_requests(&port->read_pool); xhci_dbc_free_requests(&port->read_queue); xhci_dbc_free_requests(&port->write_pool); -- 2.43.0
