Fix ls error message for chmod -r directories.

Also, if you mkdir "$(echo -e "one\ntwo"); chmod -r one*; ls -q one*
it honors -q.

1 files changed, 7 insertions, 0 deletions

diff --git a/toys/posix/ls.c b/toys/posix/ls.c
index c815ab63..968b2537 100644
--- a/toys/posix/ls.c
+++ b/toys/posix/ls.c
@@ -297,6 +297,13 @@ static void listfiles(int dirfd, struct dirtree *indir)
     *colsizes = (unsigned *)(toybuf+260), columns = (sizeof(toybuf)-260)/4;
   char tmp[64];
 
+  if (-1 == dirfd) {
+    strwidth(indir->name);
+    perror_msg("%s", indir->name);
+
+    return;
+  }
+
   memset(totals, 0, sizeof(totals));
 
   // Top level directory was already populated by main()