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authorArnd Bergmann <arnd@arndb.de>2012-11-16 16:42:59 +0100
committerArnd Bergmann <arnd@arndb.de>2012-11-16 16:42:59 +0100
commit57260e4088894de25bb1837d529708c3ec705a69 (patch)
treee7072aed15b203197549099371db55c5d4bc3c0a /arch/sparc/include/asm/compat.h
parent2d4d07b97c0b774ea9ce2a2105818208d3df7241 (diff)
parent3d5e2abe6e265acc5e1fda810301243e9bac92b2 (diff)
Merge tag 'imx-fixes-rc' of git://git.pengutronix.de/git/imx/linux-2.6 into fixes
From Sascha Hauer <s.hauer@pengutronix.de>: ARM i.MX fixes for 3.7-rc * tag 'imx-fixes-rc' of git://git.pengutronix.de/git/imx/linux-2.6: ARM: imx: ehci: fix host power mask bit ARM i.MX: fix error-valued pointer dereference in clk_register_gate2() Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/sparc/include/asm/compat.h')
-rw-r--r--arch/sparc/include/asm/compat.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h
index cef99fbc0a2..830502fe62b 100644
--- a/arch/sparc/include/asm/compat.h
+++ b/arch/sparc/include/asm/compat.h
@@ -232,9 +232,10 @@ static inline void __user *arch_compat_alloc_user_space(long len)
struct pt_regs *regs = current_thread_info()->kregs;
unsigned long usp = regs->u_regs[UREG_I6];
- if (!(test_thread_flag(TIF_32BIT)))
+ if (test_thread_64bit_stack(usp))
usp += STACK_BIAS;
- else
+
+ if (test_thread_flag(TIF_32BIT))
usp &= 0xffffffffUL;
usp -= len;