From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Fri, 13 Jul 2007 14:51:38 +0000 (+0900)
Subject: [MIPS] Workaround for a sparse warning in include/asm-mips/compat.h
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=01bebc66793f2cc65104452dc319a8a99f005934;p=openwrt%2Fstaging%2Fblogic.git

[MIPS] Workaround for a sparse warning in include/asm-mips/compat.h

Cast to a __user pointer via "unsigned long" to get rid of this warning:

include2/asm/compat.h:135:10: warning: cast adds address space to expression (<asn:1>)

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

diff --git a/include/asm-mips/compat.h b/include/asm-mips/compat.h
index 432653d7ae09..67c3f8ec0303 100644
--- a/include/asm-mips/compat.h
+++ b/include/asm-mips/compat.h
@@ -132,7 +132,8 @@ typedef u32		compat_uptr_t;
 
 static inline void __user *compat_ptr(compat_uptr_t uptr)
 {
-	return (void __user *)(long)uptr;
+	/* cast to a __user pointer via "unsigned long" makes sparse happy */
+	return (void __user *)(unsigned long)(long)uptr;
 }
 
 static inline compat_uptr_t ptr_to_compat(void __user *uptr)