Patch "fs/notify: constify path" has been added to the 5.15-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    fs/notify: constify path

to the 5.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     fs-notify-constify-path.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit c5763d07861bc2aef3ee3db2b0dd7f9b128699e2
Author: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date:   Thu Aug 4 12:57:38 2022 -0400

    fs/notify: constify path
    
    [ Upstream commit d5bf88895f24686641c39420ee6df716dc1d95d8 ]
    
    Reviewed-by: Matthew Bobrowski <repnop@xxxxxxxxxx>
    Reviewed-by: Christian Brauner (Microsoft) <brauner@xxxxxxxxxx>
    Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
    Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>

diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c
index cd7d09a569fff..a2a15bc4df280 100644
--- a/fs/notify/fanotify/fanotify.c
+++ b/fs/notify/fanotify/fanotify.c
@@ -18,7 +18,7 @@
 
 #include "fanotify.h"
 
-static bool fanotify_path_equal(struct path *p1, struct path *p2)
+static bool fanotify_path_equal(const struct path *p1, const struct path *p2)
 {
 	return p1->mnt == p2->mnt && p1->dentry == p2->dentry;
 }
diff --git a/fs/notify/fanotify/fanotify.h b/fs/notify/fanotify/fanotify.h
index 1d9f11255c64f..bf6d4d38afa04 100644
--- a/fs/notify/fanotify/fanotify.h
+++ b/fs/notify/fanotify/fanotify.h
@@ -458,7 +458,7 @@ static inline bool fanotify_event_has_path(struct fanotify_event *event)
 		event->type == FANOTIFY_EVENT_TYPE_PATH_PERM;
 }
 
-static inline struct path *fanotify_event_path(struct fanotify_event *event)
+static inline const struct path *fanotify_event_path(struct fanotify_event *event)
 {
 	if (event->type == FANOTIFY_EVENT_TYPE_PATH)
 		return &FANOTIFY_PE(event)->path;
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index 879cd65b15187..d93418f213863 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -245,7 +245,7 @@ static struct fanotify_event *get_one_event(struct fsnotify_group *group,
 	return event;
 }
 
-static int create_fd(struct fsnotify_group *group, struct path *path,
+static int create_fd(struct fsnotify_group *group, const struct path *path,
 		     struct file **file)
 {
 	int client_fd;
@@ -615,7 +615,7 @@ static ssize_t copy_event_to_user(struct fsnotify_group *group,
 				  char __user *buf, size_t count)
 {
 	struct fanotify_event_metadata metadata;
-	struct path *path = fanotify_event_path(event);
+	const struct path *path = fanotify_event_path(event);
 	struct fanotify_info *info = fanotify_event_info(event);
 	unsigned int info_mode = FAN_GROUP_FLAG(group, FANOTIFY_INFO_MODES);
 	unsigned int pidfd_mode = info_mode & FAN_REPORT_PIDFD;
@@ -1549,7 +1549,7 @@ static int fanotify_test_fid(struct dentry *dentry)
 }
 
 static int fanotify_events_supported(struct fsnotify_group *group,
-				     struct path *path, __u64 mask,
+				     const struct path *path, __u64 mask,
 				     unsigned int flags)
 {
 	unsigned int mark_type = flags & FANOTIFY_MARK_TYPE_BITS;