From 830ce1f69238136c0197858242f16cf44e0d6cb9 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 01 Nov 2024 03:09:37 +0000
Subject: [PATCH] gpio config
---
kernel/fs/ioctl.c | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/kernel/fs/ioctl.c b/kernel/fs/ioctl.c
index ac3b386..ad1d738 100644
--- a/kernel/fs/ioctl.c
+++ b/kernel/fs/ioctl.c
@@ -790,6 +790,22 @@
}
EXPORT_SYMBOL(compat_ptr_ioctl);
+/**
+ * compat_ptr_oob_ioctl - generic implementation of .compat_oob_ioctl file operation
+ *
+ * The equivalent of compat_ptr_ioctl, dealing with out-of-band ioctl
+ * calls. Management of this handler is delegated to the code
+ * implementing the out-of-band ioctl() syscall in the companion core.
+ */
+long compat_ptr_oob_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ if (!file->f_op->oob_ioctl)
+ return -ENOIOCTLCMD;
+
+ return file->f_op->oob_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
+}
+EXPORT_SYMBOL(compat_ptr_oob_ioctl);
+
COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
compat_ulong_t, arg)
{
--
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