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-rw-r--r--kernel/signal.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index 534fec266a33..c4da1ef56fdf 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -3678,8 +3678,11 @@ static int copy_siginfo_from_user_any(kernel_siginfo_t *kinfo, siginfo_t *info)
static struct pid *pidfd_to_pid(const struct file *file)
{
- if (file->f_op == &pidfd_fops)
- return file->private_data;
+ struct pid *pid;
+
+ pid = pidfd_pid(file);
+ if (!IS_ERR(pid))
+ return pid;
return tgid_pidfd_to_pid(file);
}