commit 5e084a4a46035dd9877cf3892c20c6e603a70d35
from: rsc <devnull@localhost>
date: Fri Apr 28 03:06:40 2006 UTC

double free

commit - fa07e3d777fc52a7c564f71c9b7f2bba1d0e7716
commit + 5e084a4a46035dd9877cf3892c20c6e603a70d35
blob - 099c7bbd7dbe0f13f77f587d53b9c6a73f0ae8c4
blob + ceb6052db2a412bda2dffd3cba0acc371340f9a9
--- src/libdiskfs/ffs.c
+++ src/libdiskfs/ffs.c
@@ -107,6 +107,7 @@ ffssync(Fsys *fsys)
 		if((fs->ufs = checkfsblk(fsblk)) > 0)
 			goto okay;
 		blockput(b);
+		b = nil;
 	}
 	goto error;