[PATCH] const: constify remaining pipe_buf_operations

[PATCH] const: constify remaining pipe_buf_operations

[Alexey Dobriyan]

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---

 kernel/relay.c       |    2 +-
 kernel/trace/trace.c |    4 ++--
 net/core/skbuff.c    |    2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -1198,7 +1198,7 @@ static void relay_pipe_buf_release(struct pipe_inode_info *pipe,
 	relay_consume_bytes(rbuf, buf->private);
 }
 
-static struct pipe_buf_operations relay_pipe_buf_ops = {
+static const struct pipe_buf_operations relay_pipe_buf_ops = {
 	.can_merge = 0,
 	.map = generic_pipe_buf_map,
 	.unmap = generic_pipe_buf_unmap,
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3103,7 +3103,7 @@ static void tracing_spd_release_pipe(struct splice_pipe_desc *spd,
 	__free_page(spd->pages[idx]);
 }
 
-static struct pipe_buf_operations tracing_pipe_buf_ops = {
+static const struct pipe_buf_operations tracing_pipe_buf_ops = {
 	.can_merge		= 0,
 	.map			= generic_pipe_buf_map,
 	.unmap			= generic_pipe_buf_unmap,
@@ -3589,7 +3589,7 @@ static void buffer_pipe_buf_get(struct pipe_inode_info *pipe,
 }
 
 /* Pipe buffer operations for a buffer. */
-static struct pipe_buf_operations buffer_pipe_buf_ops = {
+static const struct pipe_buf_operations buffer_pipe_buf_ops = {
 	.can_merge		= 0,
 	.map			= generic_pipe_buf_map,
 	.unmap			= generic_pipe_buf_unmap,
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -93,7 +93,7 @@ static int sock_pipe_buf_steal(struct pipe_inode_info *pipe,
 
 
 /* Pipe buffer operations for a socket. */
-static struct pipe_buf_operations sock_pipe_buf_ops = {
+static const struct pipe_buf_operations sock_pipe_buf_ops = {
 	.can_merge = 0,
 	.map = generic_pipe_buf_map,
 	.unmap = generic_pipe_buf_unmap,