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[Qemu-devel] [PATCH 4/4] linux-user: timer_settime fix
From: |
Dejan Jovicevic |
Subject: |
[Qemu-devel] [PATCH 4/4] linux-user: timer_settime fix |
Date: |
Tue, 25 Oct 2016 13:46:17 +0200 |
Error handling was improved. host_to_target_itimerspec() was
invoked with arg2 passed instead of arg4.
Signed-off-by: Dejan Jovicevic <address@hidden>
---
linux-user/syscall.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index b4f53b1..cad4269 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -11823,10 +11823,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long
arg1,
timer_t htimer = g_posix_timers[timerid];
struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
- target_to_host_itimerspec(&hspec_new, arg3);
+ if (target_to_host_itimerspec(&hspec_new, arg3)) {
+ goto efault;
+ }
ret = get_errno(
timer_settime(htimer, arg2, &hspec_new, &hspec_old));
- host_to_target_itimerspec(arg2, &hspec_old);
+ if (host_to_target_itimerspec(arg4, &hspec_old)) {
+ goto efault;
+ }
}
break;
}
--
1.9.1