>From acc805cdf65e12e2cee9bfbf360a176c55a5949f Mon Sep 17 00:00:00 2001
From: Tamir Ronen <[email protected]>
Date: Thu, 17 Mar 2011 15:21:43 +0200
Subject: [PATCH] Ignore command line option -t 0

If the timeout specified in the command line option -t equals zero,
Print an error message and ignore it.
---
 opensm/main.c |   14 ++++++++++----
 1 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/opensm/main.c b/opensm/main.c
index 756fe6f..9d489f2 100644
--- a/opensm/main.c
+++ b/opensm/main.c
@@ -249,7 +249,7 @@ static void show_usage(void)
        printf("--timeout, -t <milliseconds>\n"
               "          This option specifies the time in milliseconds\n"
               "          used for transaction timeouts.\n"
-              "          Specifying -t 0 disables timeouts.\n"
+              "          Specifying -t 0 is invalid.\n"
               "          Without -t, OpenSM defaults to a timeout value of\n"
               "          200 milliseconds.\n\n");
        printf("--retries <number>\n"
@@ -746,9 +746,15 @@ int main(int argc, char *argv[])
                        break;
 
                case 't':
-                       opt.transaction_timeout = strtoul(optarg, NULL, 0);
-                       printf(" Transaction timeout = %u\n",
-                              opt.transaction_timeout);
+                       val = strtoul(optarg, NULL, 0);
+                       if(val == 0)
+                               fprintf(stderr,
+                                       "ERROR: timeout value 0 is invalid. 
Ignoring it.\n");
+                       else {
+                               opt.transaction_timeout = val;
+                               printf(" Transaction timeout = %u\n",
+                                          opt.transaction_timeout);
+                       }
                        break;
 
                case 'n':
-- 
1.5.5.6

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