From 58425e978d4fa440fbf2015ac4cbbdb9fd0c900c Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@gnumonks.org>
Date: Sun, 21 Jul 2019 09:01:17 +0200
Subject: osmocon: Add missing check for fstat() return value

Change-Id: Ibef6ee00eb41e16d2ef52931f8c22562090cd1ee
Closes: CID#198570
---
 src/host/osmocon/osmocon.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/host/osmocon/osmocon.c b/src/host/osmocon/osmocon.c
index 1bb0bb7d..61672a3f 100644
--- a/src/host/osmocon/osmocon.c
+++ b/src/host/osmocon/osmocon.c
@@ -287,6 +287,11 @@ int read_file(const char *filename, int chainload)
 		}
 
 		rc = fstat(fd, &st);
+		if (rc < 0) {
+			perror("fstat");
+			close(fd);
+			return -EIO;
+		}
 		if ((st.st_size > MAX_DNLOAD_SIZE) && (dnload.mode != MODE_ROMLOAD)) {
 			fprintf(stderr, "The maximum file size is 64kBytes (%u bytes)\n",
 				MAX_DNLOAD_SIZE);
-- 
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