path: root/fs/signalfd.c
diff options
authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-26 10:13:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-26 10:13:10 -0700
commitf1ebdd60cc73ed36fd977f7e719ce70d2f5cd1c0 (patch)
tree225cb2ea2c0f8990f29383058a07206cfd835893 /fs/signalfd.c
parentf99d055398d53c8f769d5153b3fdce1d2556e7ff (diff)
parent46e387bbd82d438b9131e237e6e2cb55a825da49 (diff)
Merge branch 'hwpoison' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6
* 'hwpoison' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6: (22 commits) Add _addr_lsb field to ia64 siginfo Fix migration.c compilation on s390 HWPOISON: Remove retry loop for try_to_unmap HWPOISON: Turn addr_valid from bitfield into char HWPOISON: Disable DEBUG by default HWPOISON: Convert pr_debugs to pr_info HWPOISON: Improve comments in memory-failure.c x86: HWPOISON: Report correct address granuality for huge hwpoison faults Encode huge page size for VM_FAULT_HWPOISON errors Fix build error with !CONFIG_MIGRATION hugepage: move is_hugepage_on_freelist inside ifdef to avoid warning Clean up __page_set_anon_rmap HWPOISON, hugetlb: fix unpoison for hugepage HWPOISON, hugetlb: soft offlining for hugepage HWPOSION, hugetlb: recover from free hugepage error when !MF_COUNT_INCREASED hugetlb: move refcounting in hugepage allocation inside hugetlb_lock HWPOISON, hugetlb: add free check to dequeue_hwpoison_huge_page() hugetlb: hugepage migration core hugetlb: redefine hugepage copy functions hugetlb: add allocate function for hugepage migration ...
Diffstat (limited to 'fs/signalfd.c')
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/signalfd.c b/fs/signalfd.c
index 74047304b01a..492465b451dd 100644
--- a/fs/signalfd.c
+++ b/fs/signalfd.c
@@ -99,6 +99,16 @@ static int signalfd_copyinfo(struct signalfd_siginfo __user *uinfo,
err |= __put_user(kinfo->si_trapno, &uinfo->ssi_trapno);
+ /*
+ * Other callers might not initialize the si_lsb field,
+ * so check explicitly for the right codes here.
+ */
+ if (kinfo->si_code == BUS_MCEERR_AR ||
+ kinfo->si_code == BUS_MCEERR_AO)
+ err |= __put_user((short) kinfo->si_addr_lsb,
+ &uinfo->ssi_addr_lsb);
case __SI_CHLD:
err |= __put_user(kinfo->si_pid, &uinfo->ssi_pid);