linux-kernel - [PATCH 3.16 062/158] MIPS: ptrace: Test correct tasks flags in task_user_regset

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Date:	Mon, 15 Sep 2014 12:25:01 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Alex Smith <alex@...x-smith.me.uk>,
	linux-mips@...ux-mips.org, Ralf Baechle <ralf@...ux-mips.org>
Subject: [PATCH 3.16 062/158] MIPS: ptrace: Test correct tasks flags in task_user_regset_view()

3.16-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Smith <alex@...x-smith.me.uk>

commit 65768a1a92cb12cbba87588927cf597a65d560aa upstream.

task_user_regset_view() should test for TIF_32BIT_REGS in the flags of
the specified task, not of the current task.

Signed-off-by: Alex Smith <alex@...x-smith.me.uk>
Cc: linux-mips@...ux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7450/
Signed-off-by: Ralf Baechle <ralf@...ux-mips.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/mips/kernel/ptrace.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -398,7 +398,7 @@ const struct user_regset_view *task_user
 #endif
 
 #ifdef CONFIG_MIPS32_O32
-		if (test_thread_flag(TIF_32BIT_REGS))
+		if (test_tsk_thread_flag(task, TIF_32BIT_REGS))
 			return &user_mips_view;
 #endif
 


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