X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=fs%2Fsignalfd.c;h=148f8e7af88270b1282931f051adabc36915a8b9;hb=c24a26eb3845f8f86a3db9b1237aecf62f42ff98;hp=424b7b65321fecbe2afff24cb3f3f69dfa81bc26;hpb=ff9129b06cfb05cb5920f1151c75506afe1586fe;p=firefly-linux-kernel-4.4.55.git

diff --git a/fs/signalfd.c b/fs/signalfd.c
index 424b7b65321f..148f8e7af882 100644
--- a/fs/signalfd.c
+++ b/fs/signalfd.c
@@ -121,8 +121,9 @@ static int signalfd_copyinfo(struct signalfd_siginfo __user *uinfo,
 		 * 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)
+		if (kinfo->si_signo == SIGBUS &&
+		    (kinfo->si_code == BUS_MCEERR_AR ||
+		     kinfo->si_code == BUS_MCEERR_AO))
 			err |= __put_user((short) kinfo->si_addr_lsb,
 					  &uinfo->ssi_addr_lsb);
 #endif