diff options
Diffstat (limited to 'src/kernel/syscalls.c')
| -rw-r--r-- | src/kernel/syscalls.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/kernel/syscalls.c b/src/kernel/syscalls.c index 7748bc5..ca717ae 100644 --- a/src/kernel/syscalls.c +++ b/src/kernel/syscalls.c @@ -106,6 +106,7 @@ int _syscall_mount(handle_t hid, const char __user *path, int len) { struct handle *handle = process_handle_get(process_current, hid, HANDLE_FS_FRONT); if (!handle) goto fail; backend = handle->fs.backend; + backend->refcount++; } // otherwise backend == NULL // append to mount list @@ -177,15 +178,16 @@ handle_t _syscall_fs_fork2(void) { front = process_find_handle(process_current, 1); if (front < 0) return -1; process_current->handles[front] = handle_init(HANDLE_FS_FRONT); - process_current->handles[front]->type = HANDLE_FS_FRONT; backend = kmalloc(sizeof *backend); // TODO never freed backend->type = VFS_BACK_USER; backend->potential_handlers = 1; + backend->refcount = 2; // child + handle backend->handler = NULL; backend->queue = NULL; child = process_fork(process_current, 0); + if (child->controlled) vfs_backend_refdown(child->controlled); child->controlled = backend; regs_savereturn(&child->regs, 0); |