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authorJoel Stanley <joel@jms.id.au>2020-08-31 03:46:52 +0300
committerJoel Stanley <joel@jms.id.au>2020-08-31 03:46:57 +0300
commit0dd0c8c492fa70707ca4f0d36dcb2e3c64105b16 (patch)
treea420abd8f26264544246602c60d161a7cc4de390 /kernel/bpf/task_iter.c
parent31d8605658d37d9197a989838508481d5dc1d8bc (diff)
parent9ece50d8a470ca7235ffd6ac0f9c5f0f201fe2c8 (diff)
downloadlinux-dev-5.8.tar.xz
Merge tag 'v5.8.5' into dev-5.8dev-5.8
This is the 5.8.5 stable release Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'kernel/bpf/task_iter.c')
-rw-r--r--kernel/bpf/task_iter.c9
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;