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authorLars Persson <lars.persson@axis.com>2014-03-17 12:14:13 +0100
committerRalf Baechle <ralf@linux-mips.org>2014-03-17 15:38:38 +0100
commit86ca57b5a5525dbf89fc2a3285781fae807276b0 (patch)
tree1bcaaa3fd4f61dc0ae3efde507ad5f8cd34ca2ba
parenta8031d2ce15bdb90baeae02d7a231ccece73da8b (diff)
downloadop-kernel-dev-86ca57b5a5525dbf89fc2a3285781fae807276b0.zip
op-kernel-dev-86ca57b5a5525dbf89fc2a3285781fae807276b0.tar.gz
MIPS: Fix syscall tracing interface
Fix pointer computation for stack-based arguments. Signed-off-by: Lars Persson <larper@axis.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6620/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r--arch/mips/include/asm/syscall.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/mips/include/asm/syscall.h b/arch/mips/include/asm/syscall.h
index a7e8a53..f35b131 100644
--- a/arch/mips/include/asm/syscall.h
+++ b/arch/mips/include/asm/syscall.h
@@ -40,14 +40,14 @@ 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];
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