commit fe5295374ec9ac56ba3b619c5c1792b3fd66d859
author Sjur Brændeland <sjur.brandeland@stericsson.com> Mon Oct 15 09:57:33 2012 +0200
committer Rusty Russell <rusty@rustcorp.com.au> Tue Dec 18 15:20:39 2012 +1030
tree 63fc2e035669b7b44b3babc452b48ae49769787d
parent de929b04450f2ec984c2febb1249d0e0f993d0a2

virtio_console: Free buffer if splice fails

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

Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

drivers/char/virtio_console.c

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 6a36994..09d193d 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -881,6 +881,8 @@
 	if (likely(ret > 0))
 		ret = send_pages(port, sgl.sg, sgl.n, sgl.len, true);
 
+	if (unlikely(ret <= 0))
+		kfree(sgl.sg);
 	return ret;
 }