| Message ID | 20190719155047.5885-3-christian.brauner@ubuntu.com |
|---|---|
| State | New |
| Headers | show |
| Series | shiftfs: bugfix and O_DIRECT support | expand |
diff --git a/fs/shiftfs.c b/fs/shiftfs.c index addaa6e21e57..9006201c243d 100644 --- a/fs/shiftfs.c +++ b/fs/shiftfs.c @@ -1529,7 +1529,7 @@ static bool in_ioctl_whitelist(int flag, unsigned long arg) case BTRFS_IOC_SUBVOL_GETFLAGS: return true; case BTRFS_IOC_SUBVOL_SETFLAGS: - if (copy_from_user(&flags, arg, sizeof(flags))) + if (copy_from_user(&flags, argp, sizeof(flags))) return false; if (flags & ~BTRFS_SUBVOL_RDONLY)
BugLink: https://bugs.launchpad.net/bugs/1837231 This used to pass an unsigned long to copy_from_user() instead of a void __user * pointer. This will produce warning with a sufficiently advanced compiler. Cc: Seth Forshee <seth.forshee@canonical.com> Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> --- fs/shiftfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)