cwfs: fix interpretation of startdump argument

diff --git a/sys/src/cmd/cwfs/cw.c b/sys/src/cmd/cwfs/cw.c
index 6ab93302e34418a85062a6c6e85f3c27a4e5ef2e..49d8924d9c7b0c2b8b65a3654e1f3d4ff8f67387 100644 (file)
--- a/sys/src/cmd/cwfs/cw.c
+++ b/sys/src/cmd/cwfs/cw.c
@@ -2281,7 +2281,7 @@ cmd_cwcmd(int argc, char *argv[])
                blockcmp(dev, s1, s2);
        } else if(strcmp(arg, "startdump") == 0) {
                if(argc > 2)
-                       cw->nodump = number(argv[2], 0, 10);
+                       cw->nodump = !number(argv[2], 0, 10);
                else
                        cw->nodump = !cw->nodump;
                if(cw->nodump)