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authorRalf Baechle <ralf@linux-mips.org>2014-03-31 18:17:33 +0200
committerRalf Baechle <ralf@linux-mips.org>2014-03-31 18:17:33 +0200
commitade63aada79c61bcd5f51cbd310f237399892268 (patch)
tree4f8605528bfd9b6261679883974b9ac4870223dd /arch/mips/include/asm/syscall.h
parent9a1724c7506bfa7d3d9dcab13f83e9e6446929f9 (diff)
parentc14af233fbe279d0e561ecf84f1208b1bae087ef (diff)
Merge branch '3.14-fixes' into mips-for-linux-next
Diffstat (limited to 'arch/mips/include/asm/syscall.h')
-rw-r--r--arch/mips/include/asm/syscall.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/mips/include/asm/syscall.h b/arch/mips/include/asm/syscall.h
index 9031745cec1b..6c488c85d791 100644
--- a/arch/mips/include/asm/syscall.h
+++ b/arch/mips/include/asm/syscall.h
@@ -13,6 +13,7 @@
#ifndef __ASM_MIPS_SYSCALL_H
#define __ASM_MIPS_SYSCALL_H
+#include <linux/compiler.h>
#include <linux/audit.h>
#include <linux/elf-em.h>
#include <linux/kernel.h>
@@ -50,14 +51,14 @@ static inline unsigned long mips_get_syscall_arg(unsigned long *arg,
#ifdef CONFIG_32BIT
case 4: case 5: case 6: case 7:
- return get_user(*arg, (int *)usp + 4 * n);
+ return get_user(*arg, (int *)usp + n);
#endif
#ifdef CONFIG_64BIT
case 4: case 5: case 6: case 7:
#ifdef CONFIG_MIPS32_O32
if (test_thread_flag(TIF_32BIT_REGS))
- return get_user(*arg, (int *)usp + 4 * n);
+ return get_user(*arg, (int *)usp + n);
else
#endif
*arg = regs->regs[4 + n];
@@ -68,6 +69,8 @@ static inline unsigned long mips_get_syscall_arg(unsigned long *arg,
default:
BUG();
}
+
+ unreachable();
}
static inline long syscall_get_return_value(struct task_struct *task,
@@ -100,7 +103,6 @@ static inline void syscall_get_arguments(struct task_struct *task,
unsigned int i, unsigned int n,
unsigned long *args)
{
- unsigned long arg;
int ret;
/* O32 ABI syscall() - Either 64-bit with O32 or 32-bit */
if ((config_enabled(CONFIG_32BIT) ||
@@ -111,7 +113,7 @@ static inline void syscall_get_arguments(struct task_struct *task,
}
while (n--)
- ret |= mips_get_syscall_arg(&arg, task, regs, i++);
+ ret |= mips_get_syscall_arg(args++, task, regs, i++);
/*
* No way to communicate an error because this is a void function.