diff options
Diffstat (limited to 'drivers/char/virtio_console.c')
| -rw-r--r-- | drivers/char/virtio_console.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 5da47e26a012..5649234b7316 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -38,7 +38,6 @@ #include <linux/workqueue.h> #include <linux/module.h> #include <linux/dma-mapping.h> -#include <linux/kconfig.h> #include "../tty/hvc/hvc_console.h" #define is_rproc_enabled IS_ENABLED(CONFIG_REMOTEPROC) @@ -889,7 +888,7 @@ static int pipe_to_sg(struct pipe_inode_info *pipe, struct pipe_buffer *buf, return 0; /* Try lock this page */ - if (buf->ops->steal(pipe, buf) == 0) { + if (pipe_buf_steal(pipe, buf) == 0) { /* Get reference and unlock page for moving */ get_page(buf->page); unlock_page(buf->page); @@ -1540,19 +1539,29 @@ static void remove_port_data(struct port *port) spin_lock_irq(&port->inbuf_lock); /* Remove unused data this port might have received. */ discard_port_data(port); + spin_unlock_irq(&port->inbuf_lock); /* Remove buffers we queued up for the Host to send us data in. */ - while ((buf = virtqueue_detach_unused_buf(port->in_vq))) - free_buf(buf, true); - spin_unlock_irq(&port->inbuf_lock); + do { + spin_lock_irq(&port->inbuf_lock); + buf = virtqueue_detach_unused_buf(port->in_vq); + spin_unlock_irq(&port->inbuf_lock); + if (buf) + free_buf(buf, true); + } while (buf); spin_lock_irq(&port->outvq_lock); reclaim_consumed_buffers(port); + spin_unlock_irq(&port->outvq_lock); /* Free pending buffers from the out-queue. */ - while ((buf = virtqueue_detach_unused_buf(port->out_vq))) - free_buf(buf, true); - spin_unlock_irq(&port->outvq_lock); + do { + spin_lock_irq(&port->outvq_lock); + buf = virtqueue_detach_unused_buf(port->out_vq); + spin_unlock_irq(&port->outvq_lock); + if (buf) + free_buf(buf, true); + } while (buf); } /* |
