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Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/syscall.c30
1 files changed, 17 insertions, 13 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index dcb9df90e6..7087a56dd1 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -9615,11 +9615,12 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
{
/* args: timer_t timerid, int flags, const struct itimerspec *new_value,
* struct itimerspec * old_value */
- arg1 &= 0xffff;
- if (arg3 == 0 || arg1 < 0 || arg1 >= ARRAY_SIZE(g_posix_timers)) {
+ target_ulong timerid = arg1;
+
+ if (arg3 == 0 || timerid >= ARRAY_SIZE(g_posix_timers)) {
ret = -TARGET_EINVAL;
} else {
- timer_t htimer = g_posix_timers[arg1];
+ timer_t htimer = g_posix_timers[timerid];
struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
target_to_host_itimerspec(&hspec_new, arg3);
@@ -9635,13 +9636,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
case TARGET_NR_timer_gettime:
{
/* args: timer_t timerid, struct itimerspec *curr_value */
- arg1 &= 0xffff;
+ target_ulong timerid = arg1;
+
if (!arg2) {
return -TARGET_EFAULT;
- } else if (arg1 < 0 || arg1 >= ARRAY_SIZE(g_posix_timers)) {
+ } else if (timerid >= ARRAY_SIZE(g_posix_timers)) {
ret = -TARGET_EINVAL;
} else {
- timer_t htimer = g_posix_timers[arg1];
+ timer_t htimer = g_posix_timers[timerid];
struct itimerspec hspec;
ret = get_errno(timer_gettime(htimer, &hspec));
@@ -9657,11 +9659,12 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
case TARGET_NR_timer_getoverrun:
{
/* args: timer_t timerid */
- arg1 &= 0xffff;
- if (arg1 < 0 || arg1 >= ARRAY_SIZE(g_posix_timers)) {
+ target_ulong timerid = arg1;
+
+ if (timerid >= ARRAY_SIZE(g_posix_timers)) {
ret = -TARGET_EINVAL;
} else {
- timer_t htimer = g_posix_timers[arg1];
+ timer_t htimer = g_posix_timers[timerid];
ret = get_errno(timer_getoverrun(htimer));
}
break;
@@ -9672,13 +9675,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
case TARGET_NR_timer_delete:
{
/* args: timer_t timerid */
- arg1 &= 0xffff;
- if (arg1 < 0 || arg1 >= ARRAY_SIZE(g_posix_timers)) {
+ target_ulong timerid = arg1;
+
+ if (timerid >= ARRAY_SIZE(g_posix_timers)) {
ret = -TARGET_EINVAL;
} else {
- timer_t htimer = g_posix_timers[arg1];
+ timer_t htimer = g_posix_timers[timerid];
ret = get_errno(timer_delete(htimer));
- g_posix_timers[arg1] = 0;
+ g_posix_timers[timerid] = 0;
}
break;
}