From: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Date: Mon, 22 Jan 2024 10:33:02 +0000 (+0530)
Subject: LU-17000 utils: In mydaemon() check after calling open()
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=28716d4023334bbcdb7925784be52588ce57039e;p=fs%2Flustre-release.git

LU-17000 utils: In mydaemon() check after calling open()

This patch adds check after calling open() in function
mydaemon() instead of directly using the value

Lustre-change: https://review.whamcloud.com/53758
Lustre-commit: 0f67ab9b00c3949f257cd4e6081184858f245b4e

Test-Parameters: trivial kerberos=true testlist=sanity-krb5
CoverityID: 397666 ("Argument cannot be negative")
Fixes: d2d56f38da0 ("make HEAD from b_post_cmd3")
Signed-off-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Change-Id: Ic59414977029221e8618c5bb3320e95d39d9cded
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/c/ex/lustre-release/+/53911
Reviewed-by: Sebastien Buisson <sbuisson@ddn.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
---

diff --git a/lustre/utils/gss/svcgssd.c b/lustre/utils/gss/svcgssd.c
index cdaf4ab..3b6cf2e 100644
--- a/lustre/utils/gss/svcgssd.c
+++ b/lustre/utils/gss/svcgssd.c
@@ -143,6 +143,11 @@ mydaemon(int nochdir, int noclose)
 
 	if (noclose == 0) {
 		tempfd = open("/dev/null", O_RDWR);
+		if (tempfd < 0) {
+			printerr(LL_ERR, "%s: open() failed: errno %d (%s)\n",
+				 __func__, errno, strerror(errno));
+			exit(1);
+		}
 		dup2(tempfd, 0);
 		dup2(tempfd, 1);
 		dup2(tempfd, 2);