[PATCH AUTOSEL 4.14 5/6] ARC: fix spare error

From: Sasha Levin
Date: Mon Dec 25 2023 - 19:49:36 EST


From: Vineet Gupta <vgupta@xxxxxxxxxx>

[ Upstream commit aca02d933f63ba8bc84258bf35f9ffaf6b664336 ]

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202312082320.VDN5A9hb-lkp@xxxxxxxxx/
Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/arc/kernel/signal.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arc/kernel/signal.c b/arch/arc/kernel/signal.c
index 68901f6f18bab..c36e642eb1a0a 100644
--- a/arch/arc/kernel/signal.c
+++ b/arch/arc/kernel/signal.c
@@ -64,7 +64,7 @@ struct rt_sigframe {
unsigned int sigret_magic;
};

-static int save_arcv2_regs(struct sigcontext *mctx, struct pt_regs *regs)
+static int save_arcv2_regs(struct sigcontext __user *mctx, struct pt_regs *regs)
{
int err = 0;
#ifndef CONFIG_ISA_ARCOMPACT
@@ -77,12 +77,12 @@ static int save_arcv2_regs(struct sigcontext *mctx, struct pt_regs *regs)
#else
v2abi.r58 = v2abi.r59 = 0;
#endif
- err = __copy_to_user(&mctx->v2abi, &v2abi, sizeof(v2abi));
+ err = __copy_to_user(&mctx->v2abi, (void const *)&v2abi, sizeof(v2abi));
#endif
return err;
}

-static int restore_arcv2_regs(struct sigcontext *mctx, struct pt_regs *regs)
+static int restore_arcv2_regs(struct sigcontext __user *mctx, struct pt_regs *regs)
{
int err = 0;
#ifndef CONFIG_ISA_ARCOMPACT
--
2.43.0