X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=utils%2Fmount%2Fnfsumount.c;h=e65f58f0122374ad92f881d96e7072a9f0fbe03e;hp=e101105268d3bdd9bd42a49ca3649b3b17250383;hb=b3b111b1bd5fbc678419bf1964b6093045081139;hpb=4bc447f758ee4d64706b990ac68cb766dbff113c

diff --git a/utils/mount/nfsumount.c b/utils/mount/nfsumount.c
index e101105..e65f58f 100644
--- a/utils/mount/nfsumount.c
+++ b/utils/mount/nfsumount.c
@@ -288,6 +288,7 @@ int nfsumount(int argc, char *argv[])
 	argv += 1;
 	argc -= 1;
 
+	argv[0] = argv[-1]; /* So that getopt error messages are correct */
 	while ((c = getopt_long (argc, argv, "fvnrlh",
 				umount_longopts, NULL)) != -1) {
 
@@ -340,6 +341,11 @@ int nfsumount(int argc, char *argv[])
 	if (getuid() != 0) {
 		/* only permitted if "user=" or "users" is in mount options */
 		if (!mc) {
+			/* umount might call us twice.  The second time there will
+			 * be no entry in mtab and we should just exit quietly
+			 */
+			return 0;
+
 		only_root:
 			fprintf(stderr,"%s: You are not permitted to unmount %s\n",
 				progname, spec);
@@ -352,7 +358,7 @@ int nfsumount(int argc, char *argv[])
 			int len;
 			if (!opt)
 				goto only_root;
-			if (opt[5] != '=')
+			if (opt[4] != '=')
 				goto only_root;
 			comma = strchr(opt, ',');
 			if (comma)