From 861d72cd28b5793fc367c46b7821a5372b66e3f4 Mon Sep 17 00:00:00 2001 From: Laurent Vivier Date: Wed, 28 Oct 2015 21:40:46 +0100 Subject: linux-user: check fd is >= 0 in fd_trans_host_to_target_data/fd_trans_host_to_target_addr Signed-off-by: Laurent Vivier Signed-off-by: Riku Voipio --- linux-user/syscall.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'linux-user') 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; -- cgit v1.2.3