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| author | Josef Bacik <josef@toxicpanda.com> | 2017-09-27 16:43:13 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-10-30 12:27:59 +0100 |
| commit | 2351f431f727223b4d82851ee8fc045bf51edd34 (patch) | |
| tree | b44303a30a67acab41bb0a43f03e2b118fabf7ca /fs/btrfs/send.h | |
| parent | btrfs: fix use of error or warning for missing device (diff) | |
| download | linux-2351f431f727223b4d82851ee8fc045bf51edd34.tar.xz linux-2351f431f727223b4d82851ee8fc045bf51edd34.zip | |
btrfs: fix send ioctl on 32bit with 64bit kernel
We pass in a pointer in our send arg struct, this means the struct size
doesn't match with 32bit user space and 64bit kernel space. Fix this by
adding a compat mode and doing the appropriate conversion.
Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ move structure to the beginning, next to receive 32bit compat ]
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/send.h')
| -rw-r--r-- | fs/btrfs/send.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/send.h b/fs/btrfs/send.h index 02e00166c4da..3aa4bc55754f 100644 --- a/fs/btrfs/send.h +++ b/fs/btrfs/send.h @@ -130,5 +130,5 @@ enum { #define BTRFS_SEND_A_MAX (__BTRFS_SEND_A_MAX - 1) #ifdef __KERNEL__ -long btrfs_ioctl_send(struct file *mnt_file, void __user *arg); +long btrfs_ioctl_send(struct file *mnt_file, struct btrfs_ioctl_send_args *arg); #endif |