[Qemu-trivial] [PATCH for 2.10 v2 13/20] syscall: fix use of uninitialized values

[Philippe Mathieu-Daudé]

linux-user/syscall.c:1627:35: warning: 1st function call argument is an 
uninitialized value
        target_saddr->sa_family = tswap16(addr->sa_family);
                                  ^~~~~~~~~~~~~~~~~~~~~~~~
linux-user/syscall.c:1629:25: warning: The left operand of '==' is a garbage 
value
    if (addr->sa_family == AF_NETLINK && len >= sizeof(struct sockaddr_nl)) {
        ~~~~~~~~~~~~~~~ ^

Reported-by: Clang Static Analyzer
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
Reviewed-by: Laurent Vivier <address@hidden>
---
 linux-user/syscall.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 71d45a9963..81f52f7483 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -1622,6 +1622,7 @@ static inline abi_long host_to_target_sockaddr(abi_ulong 
target_addr,
     if (len == 0) {
         return 0;
     }
+    assert(addr);
 
     target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
     if (!target_saddr)
-- 
2.13.3