X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/74aca06df856c5518daf31d2b7a00cc3d798fcaf..0a4022a169cfdd133882ecae233352e769685a1d:/unix/uxsel.c

diff --git a/unix/uxsel.c b/unix/uxsel.c
index 7142acb2..0383faa6 100644
--- a/unix/uxsel.c
+++ b/unix/uxsel.c
@@ -115,6 +115,13 @@ int first_fd(int *state, int *rwx)
 int select_result(int fd, int event)
 {
     struct fd *fdstruct = find234(fds, &fd, uxsel_fd_findcmp);
-    assert(fdstruct != NULL);
-    return fdstruct->callback(fd, event);
+    /*
+     * Apparently this can sometimes be NULL. Can't see how, but I
+     * assume it means I need to ignore the event since it's on an
+     * fd I've stopped being interested in. Sigh.
+     */
+    if (fdstruct)
+        return fdstruct->callback(fd, event);
+    else
+        return 1;
 }