btrfs-progs: use NULL instead of 0

[platform/upstream/btrfs-progs.git] / cmds-balance.c

diff --git a/cmds-balance.c b/cmds-balance.c
index c78b726..b7382ef 100644 (file)
--- a/cmds-balance.c
+++ b/cmds-balance.c
@@ -382,7 +382,7 @@ static int cmd_balance_start(int argc, char **argv)
                        { "system", optional_argument, NULL, 's' },
                        { "force", no_argument, NULL, 'f' },
                        { "verbose", no_argument, NULL, 'v' },
-                       { 0, 0, 0, 0 }
+                       { NULL, no_argument, NULL, 0 },
                };
 
                int opt = getopt_long(argc, argv, "d::s::m::fv", longopts,
@@ -641,7 +641,7 @@ static int cmd_balance_status(int argc, char **argv)
                int longindex;
                static struct option longopts[] = {
                        { "verbose", no_argument, NULL, 'v' },
-                       { 0, 0, 0, 0}
+                       { NULL, no_argument, NULL, 0}
                };
 
                int opt = getopt_long(argc, argv, "v", longopts, &longindex);
@@ -713,7 +713,7 @@ const struct cmd_group balance_cmd_group = {
                { "cancel", cmd_balance_cancel, cmd_balance_cancel_usage, NULL, 0 },
                { "resume", cmd_balance_resume, cmd_balance_resume_usage, NULL, 0 },
                { "status", cmd_balance_status, cmd_balance_status_usage, NULL, 0 },
-               { 0, 0, 0, 0, 0 }
+               NULL_CMD_STRUCT
        }
 };