commit ffc51be82b17e1c515fdb2dd5b92605798216b30
author Al Viro <viro@zeniv.linux.org.uk> Sun Apr 22 16:34:27 2012 -0400
committer Al Viro <viro@zeniv.linux.org.uk> Mon May 21 16:29:02 2012 -0400
tree efaedf7c6979ff33e83eda9870c10f287d6be6d6
parent 0088b6ec8fa4773dd56b861bfc1630f4c3c069db

um: missing checks of __put_user()/__get_user() return values

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/x86/um/signal.c

diff --git a/arch/x86/um/signal.c b/arch/x86/um/signal.c
index 35b283d..bb0fb03 100644
--- a/arch/x86/um/signal.c
+++ b/arch/x86/um/signal.c
@@ -544,8 +544,8 @@
 			       set->sig[0]);
 	err |= __put_user(&frame->fpstate, &frame->uc.uc_mcontext.fpstate);
 	if (sizeof(*set) == 16) {
-		__put_user(set->sig[0], &frame->uc.uc_sigmask.sig[0]);
-		__put_user(set->sig[1], &frame->uc.uc_sigmask.sig[1]);
+		err |= __put_user(set->sig[0], &frame->uc.uc_sigmask.sig[0]);
+		err |= __put_user(set->sig[1], &frame->uc.uc_sigmask.sig[1]);
 	}
 	else
 		err |= __copy_to_user(&frame->uc.uc_sigmask, set,