[PATCH] linux-user: Drop open-coded fcntl flags conversion in eventfd2 syscall

[Helge Deller]

Drop the open-coded fcntl flags conversion in the eventfd2 syscall and
replace it with the built-in conversion with fcntl_flags_tbl.

Signed-off-by: Helge Deller <del...@gmx.de>

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 05f03919ff..ebf0d38321 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -11938,13 +11942,7 @@ static abi_long do_syscall1(void *cpu_env, int num, 
abi_long arg1,
 #if defined(TARGET_NR_eventfd2)
     case TARGET_NR_eventfd2:
     {
-        int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC));
-        if (arg2 & TARGET_O_NONBLOCK) {
-            host_flags |= O_NONBLOCK;
-        }
-        if (arg2 & TARGET_O_CLOEXEC) {
-            host_flags |= O_CLOEXEC;
-        }
+        int host_flags = target_to_host_bitmask(arg2, fcntl_flags_tbl);
         ret = get_errno(eventfd(arg1, host_flags));
         if (ret >= 0) {
             fd_trans_register(ret, &target_eventfd_trans);