Fix 'zpool list -H' error code

Due to an uninitialized variable it was possible for the command
'zpool list -H' to return a non-zero error when there are no pools.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1605

diff --git a/cmd/zpool/zpool_main.c b/cmd/zpool/zpool_main.c
index 9d4d128..b96fbe4 100644 (file)
--- a/cmd/zpool/zpool_main.c
+++ b/cmd/zpool/zpool_main.c
@@ -3059,7 +3059,7 @@ int
 zpool_do_list(int argc, char **argv)
 {
        int c;
-       int ret;
+       int ret = 0;
        list_cbdata_t cb = { 0 };
        static char default_props[] =
            "name,size,allocated,free,capacity,dedupratio,"