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ANDROID: GKI: mount.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 vfsmount.

Based on a patch from Michal Marek <mmarek@suse.cz> from the SLES kernel

Bug: 151154716
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I9ce1b63f05c90af168eeea1312ac88d3cc5cfdf3
This commit is contained in:
Greg Kroah-Hartman 2020-03-10 18:41:10 +01:00
parent b14ffb0250
commit 5a7d5998b9
1 changed files with 5 additions and 0 deletions
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5
include/linux/mount.h
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@ -16,6 +16,7 @@
#include <linux/spinlock.h>
#include <linux/seqlock.h>
#include <linux/atomic.h>
#include <linux/android_kabi.h>
struct super_block;
struct vfsmount;
@ -68,6 +69,10 @@ struct vfsmount {
struct dentry *mnt_root; /* root of the mounted tree */
struct super_block *mnt_sb; /* pointer to superblock */
int mnt_flags;
ANDROID_KABI_RESERVE(1);
ANDROID_KABI_RESERVE(2);
ANDROID_KABI_RESERVE(3);
ANDROID_KABI_RESERVE(4);
void *data;
} __randomize_layout;