diff options
Diffstat (limited to 'kernel/features/proc.c')
| -rw-r--r-- | kernel/features/proc.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/features/proc.c b/kernel/features/proc.c index b6ed442..5d1a437 100644 --- a/kernel/features/proc.c +++ b/kernel/features/proc.c @@ -34,13 +34,14 @@ void scheduler(struct regs *regs) assert(proc_list->head); - memcpy(&((struct proc *)current->data)->regs, regs, sizeof(struct regs)); + if (current) + memcpy(&((struct proc *)current->data)->regs, regs, sizeof(struct regs)); if (priority_proc) { current = list_first_data(proc_list, priority_proc); priority_proc = NULL; assert(current); - } else if (current->next) { + } else if (current && current->next) { current = current->next; } else { current = proc_list->head; @@ -76,7 +77,7 @@ void proc_print() struct node *node = proc_list->head; printf("\nPROCESSES\n"); - struct proc *proc; + struct proc *proc = NULL; while (node && (proc = node->data)) { printf("Process %d: %s\n", proc->pid, proc->name); node = node->next; |