OpenE2K
/
qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

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>
This commit is contained in:
Peter Maydell 2016-06-06 19:58:02 +01:00 committed by Riku Voipio
parent 977d8241c1
commit 918c03ed9a
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
linux-user/syscall.c
View File

@ -712,6 +712,8 @@ safe_syscall2(int, rt_sigsuspend, sigset_t *, newset, size_t, sigsetsize)
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 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
{
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 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
{
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);