[PATCH] sh: correct definitions to access stack pointers

[roel kluin]

A definition like:

#define regs_return_value(regs)	((regs)->regs[0])

called with regs_return_value(foo) will be preprocessed to:

((foo)->foo[0])
        ^^^
So to fix this to ensure the preprocessor compiles such calls correctly.

Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx>
---
 arch/sh/include/asm/ptrace.h    |    4 ++--
 arch/sh/include/asm/ptrace_32.h |    2 +-
 arch/sh/include/asm/ptrace_64.h |    2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h
index f6edc10..de167d3 100644
--- a/arch/sh/include/asm/ptrace.h
+++ b/arch/sh/include/asm/ptrace.h
@@ -40,8 +40,8 @@
 #include <asm/system.h>
 
 #define user_mode(regs)			(((regs)->sr & 0x40000000)==0)
-#define user_stack_pointer(regs)	((unsigned long)(regs)->regs[15])
-#define kernel_stack_pointer(regs)	((unsigned long)(regs)->regs[15])
+#define user_stack_pointer(_regs)	((unsigned long)(_regs)->regs[15])
+#define kernel_stack_pointer(_regs)	((unsigned long)(_regs)->regs[15])
 #define instruction_pointer(regs)	((unsigned long)(regs)->pc)
 
 extern void show_regs(struct pt_regs *);
diff --git a/arch/sh/include/asm/ptrace_32.h b/arch/sh/include/asm/ptrace_32.h
index 35d9e25..6c2239c 100644
--- a/arch/sh/include/asm/ptrace_32.h
+++ b/arch/sh/include/asm/ptrace_32.h
@@ -76,7 +76,7 @@ struct pt_dspregs {
 #ifdef __KERNEL__
 
 #define MAX_REG_OFFSET		offsetof(struct pt_regs, tra)
-#define regs_return_value(regs)	((regs)->regs[0])
+#define regs_return_value(_regs)	((_regs)->regs[0])
 
 #endif /* __KERNEL__ */
 
diff --git a/arch/sh/include/asm/ptrace_64.h b/arch/sh/include/asm/ptrace_64.h
index d43c1cb..bf9be77 100644
--- a/arch/sh/include/asm/ptrace_64.h
+++ b/arch/sh/include/asm/ptrace_64.h
@@ -13,7 +13,7 @@ struct pt_regs {
 #ifdef __KERNEL__
 
 #define MAX_REG_OFFSET		offsetof(struct pt_regs, tregs[7])
-#define regs_return_value(regs)	((regs)->regs[3])
+#define regs_return_value(_regs)	((_regs)->regs[3])
 
 #endif /* __KERNEL__ */
 
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