[PATCHv7 1/4] virtio_console: Free buffer if splice fails

[sjur . brandeland]

From: Sjur BrÃndeland <sjur.brandeland@xxxxxxxxxxxxxx>

Free the allocated scatter list if send_pages fails in function
port_splice_write.

Signed-off-by: Sjur BrÃndeland <sjur.brandeland@xxxxxxxxxxxxxx>
---
 drivers/char/virtio_console.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 8ab9c3d..c36b2f6 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -879,6 +879,8 @@ static ssize_t port_fops_splice_write(struct pipe_inode_info *pipe,
 	if (likely(ret > 0))
 		ret = send_pages(port, sgl.sg, sgl.n, sgl.len, true);
 
+	if (unlikely(ret <= 0))
+		kfree(sgl.sg);
 	return ret;
 }
 
-- 
1.7.5.4

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