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ANDROID: GKI: kernfs.h: add Android ABI padding to some structures

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Try to mitigate potential future driver core api changes by adding a
padding to struct kernfs_syscall_ops and struct kernfs_ops.

Based on a change made to the RHEL/CENTOS 8 kernel.

Bug: 151154716
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I1fcb0b81c3ea7d5300da283b275391f95d6d4ec8
This commit is contained in:
Greg Kroah-Hartman
2020-05-02 09:40:02 +02:00
committed by Carlos Llamas
parent 2baf3e23bb
commit e69be4de29
1 changed files with 9 additions and 0 deletions
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9
include/linux/kernfs.h
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@@ -19,6 +19,7 @@
#include <linux/wait.h> #include <linux/wait.h>
#include <linux/rwsem.h> #include <linux/rwsem.h>
#include <linux/cache.h> #include <linux/cache.h>
#include <linux/android_kabi.h>
struct file; struct file;
struct dentry; struct dentry;
@@ -244,6 +245,11 @@ struct kernfs_syscall_ops {
const char *new_name); const char *new_name);
int (*show_path)(struct seq_file *sf, struct kernfs_node *kn, int (*show_path)(struct seq_file *sf, struct kernfs_node *kn,
struct kernfs_root *root); struct kernfs_root *root);
ANDROID_KABI_RESERVE(1);
ANDROID_KABI_RESERVE(2);
ANDROID_KABI_RESERVE(3);
ANDROID_KABI_RESERVE(4);
}; };
struct kernfs_node *kernfs_root_to_node(struct kernfs_root *root); struct kernfs_node *kernfs_root_to_node(struct kernfs_root *root);
@@ -320,6 +326,9 @@ struct kernfs_ops {
struct poll_table_struct *pt); struct poll_table_struct *pt);
int (*mmap)(struct kernfs_open_file *of, struct vm_area_struct *vma); int (*mmap)(struct kernfs_open_file *of, struct vm_area_struct *vma);
ANDROID_KABI_RESERVE(1);
ANDROID_KABI_RESERVE(2);
}; };
/* /*