The MIPS syscall tracing interface had multiple bugs
that made it completely unusable.
Signed-off-by: Lars Persson <larper@xxxxxxxx>
---
arch/mips/include/asm/syscall.h | 16 +++-------------
1 files changed, 3 insertions(+), 13 deletions(-)
diff --git a/arch/mips/include/asm/syscall.h b/arch/mips/include/asm/syscall.h
index 81c8913..8d08b6f 100644
--- a/arch/mips/include/asm/syscall.h
+++ b/arch/mips/include/asm/syscall.h
@@ -39,14 +39,14 @@ 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];
@@ -83,18 +83,8 @@ static inline void syscall_get_arguments(struct task_struct *task,
unsigned int i, unsigned int n,
unsigned long *args)
{
- unsigned long arg;
- int ret;
-
while (n--)
- ret |= mips_get_syscall_arg(&arg, task, regs, i++);
-
- /*
- * No way to communicate an error because this is a void function.
- */
-#if 0
- return ret;
-#endif
+ mips_get_syscall_arg(args++, task, regs, i++);
}
extern const unsigned long sys_call_table[];
--
1.7.2.5
