[PATCH 1/7] m68k: document that access_ok is broken for !CONFIG_CPU_HAS_ADDRESS_SPACES

Christoph Hellwig
2021-07-09T07:02:03Z

Document that access_ok is completely broken for coldfire and friends at
the moment.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
arch/m68k/include/asm/uaccess.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/arch/m68k/include/asm/uaccess.h b/arch/m68k/include/asm/uaccess.h
index f98208ccbbcd..610bfe8d64d5 100644
--- a/arch/m68k/include/asm/uaccess.h
+++ b/arch/m68k/include/asm/uaccess.h
@@ -16,6 +16,10 @@
static inline int access_ok(const void __user *addr,
unsigned long size)
{
+ /*
+ * XXX: for !CONFIG_CPU_HAS_ADDRESS_SPACES this really needs to check
+ * for TASK_SIZE!
+ */
return 1;
}

--
2.30.2