Commit e0bb6bda authored by Namhyung Kim's avatar Namhyung Kim Committed by Al Viro
Browse files

compat: copy missing fields in compat_statfs64 to user 



f_flags and f_spare fields were not copied to userspace when
compat_sys_[f]statfs64 called.

Signed-off-by: default avatarNamhyung Kim <namhyung@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 974d879e

fs/compat.c

+3 −1
Original line number Diff line number Diff line
@@ -320,7 +320,9 @@ static int put_compat_statfs64(struct compat_statfs64 __user *ubuf, struct kstat 
	    __put_user(kbuf->f_namelen, &ubuf->f_namelen) ||

	    __put_user(kbuf->f_fsid.val[0], &ubuf->f_fsid.val[0]) ||

	    __put_user(kbuf->f_fsid.val[1], &ubuf->f_fsid.val[1]) ||

	    __put_user(kbuf->f_frsize, &ubuf->f_frsize))

	    __put_user(kbuf->f_frsize, &ubuf->f_frsize) ||

	    __put_user(kbuf->f_flags, &ubuf->f_flags) ||

	    __clear_user(ubuf->f_spare, sizeof(ubuf->f_spare)))

		return -EFAULT;

	return 0;

}