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Subject[PATCH v2 06/15] umd: For clarity rename umh_info umd_info

This structure is only used for user mode drivers so change
the prefix from umh to umd to make that clear.

Link: https://lkml.kernel.org/r/87o8p6f0kw.fsf_-_@x220.int.ebiederm.org
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
---
include/linux/bpfilter.h | 2 +-
include/linux/umd.h | 6 +++---
kernel/umd.c | 20 ++++++++++----------
net/ipv4/bpfilter/sockopt.c | 2 +-
4 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/include/linux/bpfilter.h b/include/linux/bpfilter.h
index b42e44e29033..4b43d2240172 100644
--- a/include/linux/bpfilter.h
+++ b/include/linux/bpfilter.h
@@ -11,7 +11,7 @@ int bpfilter_ip_set_sockopt(struct sock *sk, int optname, char __user *optval,
int bpfilter_ip_get_sockopt(struct sock *sk, int optname, char __user *optval,
int __user *optlen);
struct bpfilter_umh_ops {
- struct umh_info info;
+ struct umd_info info;
/* since ip_getsockopt() can run in parallel, serialize access to umh */
struct mutex lock;
int (*sockopt)(struct sock *sk, int optname,
diff --git a/include/linux/umd.h b/include/linux/umd.h
index ef40bee590c1..58a9c603c78d 100644
--- a/include/linux/umd.h
+++ b/include/linux/umd.h
@@ -17,14 +17,14 @@ static inline void exit_umh(struct task_struct *tsk)
}
#endif

-struct umh_info {
+struct umd_info {
const char *cmdline;
struct file *pipe_to_umh;
struct file *pipe_from_umh;
struct list_head list;
- void (*cleanup)(struct umh_info *info);
+ void (*cleanup)(struct umd_info *info);
pid_t pid;
};
-int fork_usermode_blob(void *data, size_t len, struct umh_info *info);
+int fork_usermode_blob(void *data, size_t len, struct umd_info *info);

#endif /* __LINUX_UMD_H__ */
diff --git a/kernel/umd.c b/kernel/umd.c
index 99af9d594eca..f7dacb19c705 100644
--- a/kernel/umd.c
+++ b/kernel/umd.c
@@ -11,7 +11,7 @@ static DEFINE_MUTEX(umh_list_lock);

static int umd_setup(struct subprocess_info *info, struct cred *new)
{
- struct umh_info *umh_info = info->data;
+ struct umd_info *umd_info = info->data;
struct file *from_umh[2];
struct file *to_umh[2];
int err;
@@ -43,21 +43,21 @@ static int umd_setup(struct subprocess_info *info, struct cred *new)
return err;
}

- umh_info->pipe_to_umh = to_umh[1];
- umh_info->pipe_from_umh = from_umh[0];
- umh_info->pid = task_pid_nr(current);
+ umd_info->pipe_to_umh = to_umh[1];
+ umd_info->pipe_from_umh = from_umh[0];
+ umd_info->pid = task_pid_nr(current);
current->flags |= PF_UMH;
return 0;
}

static void umd_cleanup(struct subprocess_info *info)
{
- struct umh_info *umh_info = info->data;
+ struct umd_info *umd_info = info->data;

/* cleanup if umh_setup() was successful but exec failed */
if (info->retval) {
- fput(umh_info->pipe_to_umh);
- fput(umh_info->pipe_from_umh);
+ fput(umd_info->pipe_to_umh);
+ fput(umd_info->pipe_from_umh);
}
}

@@ -72,12 +72,12 @@ static void umd_cleanup(struct subprocess_info *info)
*
* Returns either negative error or zero which indicates success
* in executing a blob of bytes as a usermode process. In such
- * case 'struct umh_info *info' is populated with two pipes
+ * case 'struct umd_info *info' is populated with two pipes
* and a pid of the process. The caller is responsible for health
* check of the user process, killing it via pid, and closing the
* pipes when user process is no longer needed.
*/
-int fork_usermode_blob(void *data, size_t len, struct umh_info *info)
+int fork_usermode_blob(void *data, size_t len, struct umd_info *info)
{
const char *cmdline = (info->cmdline) ? info->cmdline : "usermodehelper";
struct subprocess_info *sub_info;
@@ -126,7 +126,7 @@ EXPORT_SYMBOL_GPL(fork_usermode_blob);

void __exit_umh(struct task_struct *tsk)
{
- struct umh_info *info;
+ struct umd_info *info;
pid_t pid = tsk->pid;

mutex_lock(&umh_list_lock);
diff --git a/net/ipv4/bpfilter/sockopt.c b/net/ipv4/bpfilter/sockopt.c
index 0480918bfc7c..c0dbcc86fcdb 100644
--- a/net/ipv4/bpfilter/sockopt.c
+++ b/net/ipv4/bpfilter/sockopt.c
@@ -12,7 +12,7 @@
struct bpfilter_umh_ops bpfilter_ops;
EXPORT_SYMBOL_GPL(bpfilter_ops);

-static void bpfilter_umh_cleanup(struct umh_info *info)
+static void bpfilter_umh_cleanup(struct umd_info *info)
{
mutex_lock(&bpfilter_ops.lock);
bpfilter_ops.stop = true;
--
2.25.0
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