commit 73df5ca20482f34c0746b61d2c9fd6e43f3477f8
from: Omar Polo <op@omarpolo.com>
date: Wed Feb 02 09:49:06 2022 UTC

Tattach: handle aname ""

9front uses aname "" during Tattach, at least with 9fs without special
arguments, so convert it to our current representation.

commit - 70540bb5c2f5f14c96619bdbfb2bd2637e1db586
commit + 73df5ca20482f34c0746b61d2c9fd6e43f3477f8
blob - eb0702460e4c800a3c7daa1723e2b3c6916035de
blob + 53e0d9dc7c97151a2eec45250b78573395e8e9df
--- kamid/client.c
+++ kamid/client.c
@@ -992,6 +992,9 @@ tattach(struct np_msg_header *hdr, const uint8_t *data
 		return;
 	}
 
+	if (*aname == '\0')
+		strlcpy(aname, "/", sizeof(aname));
+
 	if (len != 0)
 		goto err;