From 66dde65f2ea92e2c0df41d74bcfe0323a73d9001 Mon Sep 17 00:00:00 2001
From: Rohit Gupta <rohit.gupta@eurecom.fr>
Date: Tue, 5 Apr 2016 21:44:41 +0200
Subject: [PATCH] added a new check for illegal file permissions to mbmssim.c,
to avoid a segfault if permissions are invalid.
---
openair1/SIMULATION/LTE_PHY/mbmssim.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/openair1/SIMULATION/LTE_PHY/mbmssim.c b/openair1/SIMULATION/LTE_PHY/mbmssim.c
index e2fa439be5..0e14619cda 100644
--- a/openair1/SIMULATION/LTE_PHY/mbmssim.c
+++ b/openair1/SIMULATION/LTE_PHY/mbmssim.c
@@ -337,7 +337,11 @@ int main(int argc, char **argv)
else
sprintf(fname,"embms_awgn_%d_%d.m",mcs,N_RB_DL);
- fd = fopen(fname,"w");
+ if (!(fd = fopen(fname,"w"))) {
+ printf("Cannot open %s, check permissions\n",fname);
+ exit(-1);
+ }
+
if (awgn_flag==0)
fprintf(fd,"SNR_%d_%d=[];errs_mch_%d_%d=[];mch_trials_%d_%d=[];\n",
--
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