[stgt] [PATCH] Passing NULL to ldd_init() instead of illegal address

[Roi Dayan]

Hi Tomo,

The description is wrong here in the commit.
The illegal address is passed when there are no non-options arguments.
Sorry for that.
I'll submit it again with fixed description.

Thanks,
Roi

-----Original Message-----
From: Roi Dayan [mailto:roid at mellanox.com] 
Sent: Thursday, May 31, 2012 9:44 AM
To: fujita.tomonori at lab.ntt.co.jp
Cc: stgt at vger.kernel.org; Roi Dayan
Subject: [PATCH] Passing NULL to ldd_init() instead of illegal address

ldd_init() was passed illegal address in case there were non-option arguments

Signed-off-by: Roi Dayan <roid at mellanox.com>
---

Hi Tomo,

This patch fix the case where there were no non-option arguments and then
lld_init() was passed an illegal address.
I noticed that all non-option arguments are passed to each lld but not in use.
Maybe its something that can be removed?

Thanks,
Roi


 usr/tgtd.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/usr/tgtd.c b/usr/tgtd.c
index 4ec6f23..cba2b66 100644
--- a/usr/tgtd.c
+++ b/usr/tgtd.c
@@ -487,6 +487,7 @@ int main(int argc, char **argv)  {
 	struct sigaction sa_old;
 	struct sigaction sa_new;
+	char *spare_args;
 	int err, ch, longindex, nr_lld = 0;
 	int is_daemon = 1, is_debug = 0;
 	int ret;
@@ -549,7 +550,9 @@ int main(int argc, char **argv)
 		exit(1);
 	}
 
-	nr_lld = lld_init(argv[optind]);
+	spare_args = optind < argc ? argv[optind] : NULL;
+
+	nr_lld = lld_init(spare_args);
 	if (!nr_lld) {
 		fprintf(stderr, "No available low level driver!\n");
 		exit(1);
--
1.7.8.2

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