diff options
Diffstat (limited to 'lib/libzpool/kernel.c')
| -rw-r--r-- | lib/libzpool/kernel.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/libzpool/kernel.c b/lib/libzpool/kernel.c index f14552374..89e474c65 100644 --- a/lib/libzpool/kernel.c +++ b/lib/libzpool/kernel.c @@ -647,6 +647,8 @@ vn_open(char *path, int x1, int flags, int mode, vnode_t **vpp, int x2, int x3) #ifdef __linux__ flags |= O_DIRECT; #endif + /* We shouldn't be writing to block devices in userspace */ + VERIFY(!(flags & FWRITE)); } if (flags & FCREAT) |