diff options
Diffstat (limited to 'kernel/bpf/task_iter.c')
| -rw-r--r-- | kernel/bpf/task_iter.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/bpf/task_iter.c b/kernel/bpf/task_iter.c index 4dbf2b6035f8..a4a0fb4f94cc 100644 --- a/kernel/bpf/task_iter.c +++ b/kernel/bpf/task_iter.c @@ -50,7 +50,8 @@ static void *task_seq_start(struct seq_file *seq, loff_t *pos) if (!task) return NULL; - ++*pos; + if (*pos == 0) + ++*pos; return task; } @@ -176,10 +177,11 @@ again: f = fcheck_files(curr_files, curr_fd); if (!f) continue; + if (!get_file_rcu(f)) + continue; /* set info->fd */ info->fd = curr_fd; - get_file(f); rcu_read_unlock(); return f; } @@ -209,7 +211,8 @@ static void *task_file_seq_start(struct seq_file *seq, loff_t *pos) return NULL; } - ++*pos; + if (*pos == 0) + ++*pos; info->task = task; info->files = files; |