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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
parent 08b2c8d881
commit 87839d9b16
1 changed files with 9 additions and 0 deletions
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9
include/linux/kernfs.h
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@ -17,6 +17,7 @@
#include <linux/atomic.h>
#include <linux/uidgid.h>
#include <linux/wait.h>
#include <linux/android_kabi.h>
struct file;
struct dentry;
@ -178,6 +179,11 @@ struct kernfs_syscall_ops {
const char *new_name);
int (*show_path)(struct seq_file *sf, struct kernfs_node *kn,
struct kernfs_root *root);
ANDROID_KABI_RESERVE(1);
ANDROID_KABI_RESERVE(2);
ANDROID_KABI_RESERVE(3);
ANDROID_KABI_RESERVE(4);
};
struct kernfs_root {
@ -271,6 +277,9 @@ struct kernfs_ops {
#ifdef CONFIG_DEBUG_LOCK_ALLOC
struct lock_class_key lockdep_key;
#endif
ANDROID_KABI_RESERVE(1);
ANDROID_KABI_RESERVE(2);
};
#ifdef CONFIG_KERNFS