[PATCH 03/14] bpfilter: switch to kernel_write

2020-06-24 Thread Christoph Hellwig 
While pipes don't really need sb_writers projection, __kernel_write is an
interface better kept private, and the additional rw_verify_area does not
hurt here.

Signed-off-by: Christoph Hellwig 
---
 net/bpfilter/bpfilter_kern.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bpfilter/bpfilter_kern.c b/net/bpfilter/bpfilter_kern.c
index c0f0990f30b604..1905e01c3aa9a7 100644
--- a/net/bpfilter/bpfilter_kern.c
+++ b/net/bpfilter/bpfilter_kern.c
@@ -50,7 +50,7 @@ static int __bpfilter_process_sockopt(struct sock *sk, int 
optname,
req.len = optlen;
if (!bpfilter_ops.info.pid)
goto out;
-   n = __kernel_write(bpfilter_ops.info.pipe_to_umh, , sizeof(req),
+   n = kernel_write(bpfilter_ops.info.pipe_to_umh, , sizeof(req),
   );
if (n != sizeof(req)) {
pr_err("write fail %zd\n", n);
-- 
2.26.2

[PATCH 03/14] bpfilter: switch to kernel_write

2020-05-27 Thread Christoph Hellwig 
While pipes don't really need sb_writers projection, __kernel_write is an
interface better kept private, and the additional rw_verify_area does not
hurt here.

Signed-off-by: Christoph Hellwig 
---
 net/bpfilter/bpfilter_kern.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bpfilter/bpfilter_kern.c b/net/bpfilter/bpfilter_kern.c
index c0f0990f30b60..1905e01c3aa9a 100644
--- a/net/bpfilter/bpfilter_kern.c
+++ b/net/bpfilter/bpfilter_kern.c
@@ -50,7 +50,7 @@ static int __bpfilter_process_sockopt(struct sock *sk, int 
optname,
req.len = optlen;
if (!bpfilter_ops.info.pid)
goto out;
-   n = __kernel_write(bpfilter_ops.info.pipe_to_umh, , sizeof(req),
+   n = kernel_write(bpfilter_ops.info.pipe_to_umh, , sizeof(req),
   );
if (n != sizeof(req)) {
pr_err("write fail %zd\n", n);
-- 
2.26.2

[PATCH 03/14] bpfilter: switch to kernel_write

2020-05-13 Thread Christoph Hellwig 
While pipes don't really need sb_writers projection, __kernel_write is an
interface better kept private, and the additional rw_verify_area does not
hurt here.

Signed-off-by: Christoph Hellwig 
---
 net/bpfilter/bpfilter_kern.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bpfilter/bpfilter_kern.c b/net/bpfilter/bpfilter_kern.c
index c0f0990f30b60..1905e01c3aa9a 100644
--- a/net/bpfilter/bpfilter_kern.c
+++ b/net/bpfilter/bpfilter_kern.c
@@ -50,7 +50,7 @@ static int __bpfilter_process_sockopt(struct sock *sk, int 
optname,
req.len = optlen;
if (!bpfilter_ops.info.pid)
goto out;
-   n = __kernel_write(bpfilter_ops.info.pipe_to_umh, , sizeof(req),
+   n = kernel_write(bpfilter_ops.info.pipe_to_umh, , sizeof(req),
   );
if (n != sizeof(req)) {
pr_err("write fail %zd\n", n);
-- 
2.26.2