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-rw-r--r--arch/s390/kernel/signal.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index fb535874a246..d8fd508ccd1e 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -94,7 +94,7 @@ static int restore_sigregs(struct pt_regs *regs, _sigregs __user *sregs)
return -EINVAL;
/* Use regs->psw.mask instead of PSW_USER_BITS to preserve PER bit. */
- regs->psw.mask = (regs->psw.mask & ~PSW_MASK_USER) |
+ regs->psw.mask = (regs->psw.mask & ~(PSW_MASK_USER | PSW_MASK_RI)) |
(user_sregs.regs.psw.mask & (PSW_MASK_USER | PSW_MASK_RI));
/* Check for invalid user address space control. */
if ((regs->psw.mask & PSW_MASK_ASC) == PSW_ASC_HOME)
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