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authorLinus Torvalds <torvalds@linux-foundation.org>2018-02-22 17:04:06 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-02-22 17:04:06 -0800
commitbae6cfe8a3b980db8e11accecc6bdbb2ea314002 (patch)
treeacbd8a0e58c669cf4dfc8997f8fc8ede03f3301f
parent0bb78166dfda3d4ff07dd4bd04caa6244a867927 (diff)
parent9026e820cbd2ea39a06a129ecdddf2739bd3602b (diff)
downloadlinux-stericsson-bae6cfe8a3b980db8e11accecc6bdbb2ea314002.tar.gz
Merge branch 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull siginfo fix from Eric Biederman: "This fixes a build error that only shows up on blackfin" * 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: fs/signalfd: fix build error for BUS_MCEERR_AR
-rw-r--r--fs/signalfd.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/fs/signalfd.c b/fs/signalfd.c
index 9990957264e3..76bf9cc62074 100644
--- a/fs/signalfd.c
+++ b/fs/signalfd.c
@@ -118,13 +118,22 @@ static int signalfd_copyinfo(struct signalfd_siginfo __user *uinfo,
err |= __put_user(kinfo->si_trapno, &uinfo->ssi_trapno);
#endif
#ifdef BUS_MCEERR_AO
- /*
+ /*
+ * Other callers might not initialize the si_lsb field,
+ * so check explicitly for the right codes here.
+ */
+ if (kinfo->si_signo == SIGBUS &&
+ kinfo->si_code == BUS_MCEERR_AO)
+ err |= __put_user((short) kinfo->si_addr_lsb,
+ &uinfo->ssi_addr_lsb);
+#endif
+#ifdef BUS_MCEERR_AR
+ /*
* Other callers might not initialize the si_lsb field,
* so check explicitly for the right codes here.
*/
if (kinfo->si_signo == SIGBUS &&
- (kinfo->si_code == BUS_MCEERR_AR ||
- kinfo->si_code == BUS_MCEERR_AO))
+ kinfo->si_code == BUS_MCEERR_AR)
err |= __put_user((short) kinfo->si_addr_lsb,
&uinfo->ssi_addr_lsb);
#endif