From 861d72cd28b5793fc367c46b7821a5372b66e3f4 Mon Sep 17 00:00:00 2001
From: Laurent Vivier <laurent@vivier.eu>
Date: Wed, 28 Oct 2015 21:40:46 +0100
Subject: [PATCH] linux-user: check fd is >= 0 in
fd_trans_host_to_target_data/fd_trans_host_to_target_addr
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
---
linux-user/syscall.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 94d64fa30d..ff20ea7d74 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -309,7 +309,7 @@ static unsigned int target_fd_max;
static TargetFdDataFunc fd_trans_host_to_target_data(int fd)
{
- if (fd < target_fd_max && target_fd_trans[fd]) {
+ if (fd >= 0 && fd < target_fd_max && target_fd_trans[fd]) {
return target_fd_trans[fd]->host_to_target_data;
}
return NULL;
@@ -317,7 +317,7 @@ static TargetFdDataFunc fd_trans_host_to_target_data(int fd)
static TargetFdAddrFunc fd_trans_target_to_host_addr(int fd)
{
- if (fd < target_fd_max && target_fd_trans[fd]) {
+ if (fd >= 0 && fd < target_fd_max && target_fd_trans[fd]) {
return target_fd_trans[fd]->target_to_host_addr;
}
return NULL;