commit 918c03ed9ac583eb9d5c33345a814291e1dd2e87
author Peter Maydell <peter.maydell@linaro.org> Mon Jun 06 19:58:02 2016 +0100
committer Riku Voipio <riku.voipio@linaro.org> Wed Jun 08 10:13:45 2016 +0300
tree 1154f0bb6289642ea1cd86f21c6f640623f7a90e
parent 977d8241c10de4160a9377efd496395c98b7dee9

linux-user: Use safe_syscall wrapper for readv and writev syscalls

Use the safe_syscall wrapper for readv and writev syscalls.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>

linux-user/syscall.c

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 8f8d9db..e0c49cc 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -712,6 +712,8 @@
 safe_syscall2(int, kill, pid_t, pid, int, sig)
 safe_syscall2(int, tkill, int, tid, int, sig)
 safe_syscall3(int, tgkill, int, tgid, int, pid, int, sig)
+safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt)
+safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt)
 
 static inline int host_to_target_sock_type(int host_type)
 {
@@ -8986,7 +8988,7 @@
         {
             struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0);
             if (vec != NULL) {
-                ret = get_errno(readv(arg1, vec, arg3));
+                ret = get_errno(safe_readv(arg1, vec, arg3));
                 unlock_iovec(vec, arg2, arg3, 1);
             } else {
                 ret = -host_to_target_errno(errno);
@@ -8997,7 +8999,7 @@
         {
             struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1);
             if (vec != NULL) {
-                ret = get_errno(writev(arg1, vec, arg3));
+                ret = get_errno(safe_writev(arg1, vec, arg3));
                 unlock_iovec(vec, arg2, arg3, 0);
             } else {
                 ret = -host_to_target_errno(errno);