VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

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author: Al Viro <viro@zeniv.linux.org.uk> 2012-04-22 17:21:18 -0400 committer: Al Viro <viro@zeniv.linux.org.uk> 2012-05-21 23:59:23 -0400 commit: 79afd8efdb4895747f98b1b9f7712489ce57d46c parent: f0c22cddb3046d0addef410c2769688c9ecef498
Commit Summary:
h8300: missing checks of __get_user()/__put_user() return values
Diffstat:
1 file changed, 6 insertions, 6 deletions
diff --git a/arch/h8300/kernel/signal.c b/arch/h8300/kernel/signal.c
index b5e360a95519..d4b0555d2904 100644
--- a/arch/h8300/kernel/signal.c
+++ b/arch/h8300/kernel/signal.c
@@ -71,10 +71,10 @@ sys_sigaction(int sig, const struct old_sigaction *act,
 		old_sigset_t mask;
 		if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
 		    __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
-		    __get_user(new_ka.sa.sa_restorer, &act->sa_restorer))
+		    __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) ||
+		    __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
+		    __get_user(mask, &act->sa_mask))
 			return -EFAULT;
-		__get_user(new_ka.sa.sa_flags, &act->sa_flags);
-		__get_user(mask, &act->sa_mask);
 		siginitset(&new_ka.sa.sa_mask, mask);
 	}
 
@@ -83,10 +83,10 @@ sys_sigaction(int sig, const struct old_sigaction *act,
 	if (!ret && oact) {
 		if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
 		    __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
-		    __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer))
+		    __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) ||
+		    __put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
+		    __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
 			return -EFAULT;
-		__put_user(old_ka.sa.sa_flags, &oact->sa_flags);
-		__put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask);
 	}
 
 	return ret;