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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>
This commit is contained in:
Laurent Vivier 2015-10-28 21:40:46 +01:00 committed by Riku Voipio
parent 0cf227229b
commit 861d72cd28
1 changed files with 2 additions and 2 deletions
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4
linux-user/syscall.c
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@ -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;