From: Lars Persson <lars.persson@axis.com>
To: linux-mips@linux-mips.org
Cc: Lars Persson <larper@axis.com>
Subject: [PATCH v2] MIPS: Fix syscall tracing interface
Date: Mon, 17 Mar 2014 12:14:13 +0100 [thread overview]
Message-ID: <1395054853-3465-1-git-send-email-larper@axis.com> (raw)
Fix pointer computation for stack-based arguments.
Signed-off-by: Lars Persson <larper@axis.com>
---
arch/mips/include/asm/syscall.h | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/mips/include/asm/syscall.h b/arch/mips/include/asm/syscall.h
index c71e40a..6c488c8 100644
--- a/arch/mips/include/asm/syscall.h
+++ b/arch/mips/include/asm/syscall.h
@@ -51,14 +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];
--
1.7.2.5
next reply other threads:[~2014-03-17 11:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-17 11:14 Lars Persson [this message]
2014-03-17 14:41 ` [PATCH v2] MIPS: Fix syscall tracing interface Markos Chandras
2014-03-17 14:41 ` Markos Chandras
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