[PATCH net-next] socket: Tighten no-error check in bind()

[Jakub Sitnicki]

move_addr_to_kernel() returns only negative values on error, or zero on
success. Rewrite the error check to an idiomatic form to avoid confusing
the reader.

Signed-off-by: Jakub Sitnicki <ja...@cloudflare.com>
---
 net/socket.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/socket.c b/net/socket.c
index 01f3f8f32d6f..713dc4833d40 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1475,7 +1475,7 @@ int __sys_bind(int fd, struct sockaddr __user *umyaddr, 
int addrlen)
        sock = sockfd_lookup_light(fd, &err, &fput_needed);
        if (sock) {
                err = move_addr_to_kernel(umyaddr, addrlen, &address);
-               if (err >= 0) {
+               if (!err) {
                        err = security_socket_bind(sock,
                                                   (struct sockaddr *)&address,
                                                   addrlen);
-- 
2.17.1