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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-07 13:59:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-07 13:59:32 -0700
commit6b0cd00bc396daf5c2dcf17a8d82055335341f46 (patch)
treea63db9ea2871bcd05f3cb95fc152be33ea929a1a /kernel
parentc8d86d8ac439ef6c9364bf0ba3a05a3f9a8e0dea (diff)
parent47f43e7efadacc627f325aba64c6a547de0926db (diff)
Merge branch 'hwpoison-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6
* 'hwpoison-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6: HWPOISON: Stop shrinking at right page count HWPOISON: Report correct address granuality for AO huge page errors HWPOISON: Copy si_addr_lsb to user page-types.c: fix name of unpoison interface
Diffstat (limited to 'kernel')
-rw-r--r--kernel/signal.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index bded65187780..919562c3d6b7 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2215,6 +2215,14 @@ int copy_siginfo_to_user(siginfo_t __user *to, siginfo_t *from)
#ifdef __ARCH_SI_TRAPNO
err |= __put_user(from->si_trapno, &to->si_trapno);
#endif
+#ifdef BUS_MCEERR_AO
+ /*
+ * Other callers might not initialize the si_lsb field,
+ * so check explicitely for the right codes here.
+ */
+ if (from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO)
+ err |= __put_user(from->si_addr_lsb, &to->si_addr_lsb);
+#endif
break;
case __SI_CHLD:
err |= __put_user(from->si_pid, &to->si_pid);