diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nilfs2/ioctl.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c index 85a291ccc1b..7fbd9fe1d03 100644 --- a/fs/nilfs2/ioctl.c +++ b/fs/nilfs2/ioctl.c @@ -41,6 +41,7 @@ static int nilfs_ioctl_wrap_copy(struct the_nilfs *nilfs, void *, size_t, size_t)) { void *buf; + void __user *base = (void __user *)(unsigned long)argv->v_base; size_t maxmembs, total, n; ssize_t nr; int ret, i; @@ -64,9 +65,8 @@ static int nilfs_ioctl_wrap_copy(struct the_nilfs *nilfs, n = (argv->v_nmembs - i < maxmembs) ? argv->v_nmembs - i : maxmembs; if ((dir & _IOC_WRITE) && - copy_from_user(buf, - (void __user *)argv->v_base + argv->v_size * i, - argv->v_size * n)) { + copy_from_user(buf, base + argv->v_size * i, + argv->v_size * n)) { ret = -EFAULT; break; } @@ -78,9 +78,8 @@ static int nilfs_ioctl_wrap_copy(struct the_nilfs *nilfs, break; } if ((dir & _IOC_READ) && - copy_to_user( - (void __user *)argv->v_base + argv->v_size * i, - buf, argv->v_size * nr)) { + copy_to_user(base + argv->v_size * i, buf, + argv->v_size * nr)) { ret = -EFAULT; break; } |