From: duanhaoqiang <908469696@qq.com>
Date: Wed, 4 Nov 2020 01:50:52 +0000 (+0800)
Subject: Update nvme.c
X-Git-Tag: v1.14~144
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=08bebf054f45fea40f5cf0abd4981b52006be053;p=users%2Fsagi%2Fnvme-cli.git

Update nvme.c

return error when fw-download firmware size is 0
---

diff --git a/nvme.c b/nvme.c
index f0ca6b97..93323728 100644
--- a/nvme.c
+++ b/nvme.c
@@ -2258,7 +2258,7 @@ static int fw_download(int argc, char **argv, struct command *cmd, struct plugin
 	}
 
 	fw_size = sb.st_size;
-	if (fw_size & 0x3) {
+	if ((fw_size & 0x3) || (fw_size == 0)) {
 		fprintf(stderr, "Invalid size:%d for f/w image\n", fw_size);
 		err = -EINVAL;
 		goto close_fw_fd;