From: Simon A. F. Lund <safl@safl.dk>
Date: Tue, 5 Jul 2016 15:32:55 +0000 (+0200)
Subject: plugin-lnvm: Added check for mandatory arg in lnvm_factory_init.
X-Git-Tag: v0.9~27^2
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=17f12c63eec0a2e7782fdee3a04bf2cec083532d;p=users%2Fsagi%2Fnvme-cli.git

plugin-lnvm: Added check for mandatory arg in lnvm_factory_init.
---

diff --git a/lnvm-nvme.c b/lnvm-nvme.c
index d696b886..eabdf379 100644
--- a/lnvm-nvme.c
+++ b/lnvm-nvme.c
@@ -232,6 +232,11 @@ static int lnvm_factory_init(int argc, char **argv, struct command *cmd, struct
 	argconfig_parse(argc, argv, desc, command_line_options, &cfg,
 								sizeof(cfg));
 
+	if (!strlen(cfg.devname)) {
+		fprintf(stderr, "device name missing %d\n", (int)strlen(cfg.devname));
+		return -EINVAL;
+	}
+
 	return lnvm_do_factory_init(cfg.devname, cfg.erase_only_marked,
 				cfg.clear_host_marks, cfg.clear_bb_marks);
 }