Merge android13-5.10 into android13-5.10-lts

This merges the android13-5.10 branch into the -lts branch, catching
it up with the latest changes in there.

It contains the following commits:

* 616facef85c6 UPSTREAM: HID: playstation: Center initial joystick axes to prevent spurious events
* 85f7213620df Merge tag 'android13-5.10.249_r00' into android13-5.10
* d77e67859f38 FROMGIT: mm/tracing: rss_stat: ensure curr is false from kthread context
* 8f697ee85056 BACKPORT: file: let pick_file() tell caller it's done

Change-Id: Ic102aabbdf3194a7b465b2e4b03b398e7afe68ff
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

drivers/hid/hid-playstation.c

diff --git a/drivers/hid/hid-playstation.c b/drivers/hid/hid-playstation.c
index 0b58763b..c2fdd0f 100644
--- a/drivers/hid/hid-playstation.c
+++ b/drivers/hid/hid-playstation.c
@@ -487,11 +487,16 @@ static struct input_dev *ps_gamepad_create(struct hid_device *hdev,
 	if (IS_ERR(gamepad))
 		return ERR_CAST(gamepad);
 
+	/* Set initial resting state for joysticks to 128 (center) */
 	input_set_abs_params(gamepad, ABS_X, 0, 255, 0, 0);
+	gamepad->absinfo[ABS_X].value = 128;
 	input_set_abs_params(gamepad, ABS_Y, 0, 255, 0, 0);
+	gamepad->absinfo[ABS_Y].value = 128;
 	input_set_abs_params(gamepad, ABS_Z, 0, 255, 0, 0);
 	input_set_abs_params(gamepad, ABS_RX, 0, 255, 0, 0);
+	gamepad->absinfo[ABS_RX].value = 128;
 	input_set_abs_params(gamepad, ABS_RY, 0, 255, 0, 0);
+	gamepad->absinfo[ABS_RY].value = 128;
 	input_set_abs_params(gamepad, ABS_RZ, 0, 255, 0, 0);
 
 	input_set_abs_params(gamepad, ABS_HAT0X, -1, 1, 0, 0);

fs/file.c

diff --git a/fs/file.c b/fs/file.c
index 38f7371..319192d 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -667,19 +667,33 @@ void fd_install(unsigned int fd, struct file *file)
 
 EXPORT_SYMBOL(fd_install);
 
+/**
+ * pick_file - return file associatd with fd
+ * @files: file struct to retrieve file from
+ * @fd: file descriptor to retrieve file for
+ *
+ * If this functions returns an EINVAL error pointer the fd was beyond the
+ * current maximum number of file descriptors for that fdtable.
+ *
+ * Returns: The file associated with @fd, on error returns an error pointer.
+ */
 static struct file *pick_file(struct files_struct *files, unsigned fd)
 {
-	struct file *file = NULL;
+	struct file *file;
 	struct fdtable *fdt;
 
 	spin_lock(&files->file_lock);
 	fdt = files_fdtable(files);
-	if (fd >= fdt->max_fds)
+	if (fd >= fdt->max_fds) {
+		file = ERR_PTR(-EINVAL);
 		goto out_unlock;
+	}
 	fd = array_index_nospec(fd, fdt->max_fds);
 	file = fdt->fd[fd];
-	if (!file)
+	if (!file) {
+		file = ERR_PTR(-EBADF);
 		goto out_unlock;
+	}
 	rcu_assign_pointer(fdt->fd[fd], NULL);
 	__put_unused_fd(files, fd);
 
@@ -696,7 +710,7 @@ int __close_fd(struct files_struct *files, unsigned fd)
 	struct file *file;
 
 	file = pick_file(files, fd);
-	if (!file)
+	if (IS_ERR(file))
 		return -EBADF;
 
 	return filp_close(file, files);
@@ -737,11 +751,16 @@ static inline void __range_close(struct files_struct *cur_fds, unsigned int fd,
 		struct file *file;
 
 		file = pick_file(cur_fds, fd++);
-		if (!file)
+		if (!IS_ERR(file)) {
+			/* found a valid file to close */
+			filp_close(file, cur_fds);
+			cond_resched();
 			continue;
+		}
 
-		filp_close(file, cur_fds);
-		cond_resched();
+		/* beyond the last fd in that table */
+		if (PTR_ERR(file) == -EINVAL)
+			return;
 	}
 }
 

include/trace/events/kmem.h

diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h
index f65b1f6..67c4ba7 100644
--- a/include/trace/events/kmem.h
+++ b/include/trace/events/kmem.h
@@ -352,7 +352,13 @@ TRACE_EVENT(rss_stat,
 
 	TP_fast_assign(
 		__entry->mm_id = mm_ptr_to_hash(mm);
-		__entry->curr = !!(current->mm == mm);
+		/*
+		 * curr is true if the mm matches the current task's mm_struct.
+		 * Since kthreads (PF_KTHREAD) have no mm_struct of their own
+		 * but can borrow one via kthread_use_mm(), we must filter them
+		 * out to avoid incorrectly attributing the RSS update to them.
+		 */
+		__entry->curr = current->mm == mm && !(current->flags & PF_KTHREAD);
 		__entry->member = member;
 		__entry->size = (count << PAGE_SHIFT);
 	),