diff options
Diffstat (limited to 'src/kernel/syscalls.c')
| -rw-r--r-- | src/kernel/syscalls.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/src/kernel/syscalls.c b/src/kernel/syscalls.c index ab4fdbb..743d5c5 100644 --- a/src/kernel/syscalls.c +++ b/src/kernel/syscalls.c @@ -83,8 +83,7 @@ handle_t _syscall_open(const char __user *path, int len) { // it can handle copies to physical memory too, though // note 2: path_buf gets freed in vfs_backend_finish path_buf = kmalloc(len); - if (!virt_cpy(NULL, path_buf, - process_current->pages, path, len)) + if (!virt_cpy_from(process_current->pages, path_buf, path, len)) goto fail; len = path_simplify(path_buf, path_buf, len); @@ -118,8 +117,7 @@ int _syscall_mount(handle_t handle, const char __user *path, int len) { // copy the path to the kernel path_buf = kmalloc(len); - if (!virt_cpy(NULL, path_buf, - process_current->pages, path, len)) + if (!virt_cpy_from(process_current->pages, path_buf, path, len)) goto fail; // simplify it @@ -179,8 +177,7 @@ handle_t _syscall_fs_create(handle_t __user *back_user) { process_current->handles[back].type = HANDLE_FS_BACK; // copy the back handle to back_user - if (!virt_cpy(process_current->pages, back_user, - NULL, &back, sizeof(handle_t))) + if (!virt_cpy_to(process_current->pages, back_user, &back, sizeof(back))) goto fail; backend = kmalloc(sizeof *backend); // TODO never freed |