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-rw-r--r--kernel/signal.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index 47c87b1d0b8a..4c3f4448c5f1 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2770,13 +2770,16 @@ int copy_siginfo_to_user(siginfo_t __user *to, const siginfo_t *from)
err |= __put_user(from->si_flags, &to->si_flags);
err |= __put_user(from->si_isr, &to->si_isr);
#endif
-#ifdef BUS_MCEERR_AO
/*
* Other callers might not initialize the si_lsb field,
* so check explicitly for the right codes here.
*/
- if (from->si_signo == SIGBUS &&
- (from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO))
+#ifdef BUS_MCEERR_AR
+ if (from->si_signo == SIGBUS && from->si_code == BUS_MCEERR_AR)
+ err |= __put_user(from->si_addr_lsb, &to->si_addr_lsb);
+#endif
+#ifdef BUS_MCEERR_AO
+ if (from->si_signo == SIGBUS && from->si_code == BUS_MCEERR_AO)
err |= __put_user(from->si_addr_lsb, &to->si_addr_lsb);
#endif
#ifdef SEGV_BNDERR