- Handle calloc() allocation failures.

- Fixed a comment.
- 2 -> EXIT_FAILURE in some places.
- errx() -> err() where appropriate.

PR:		144644
Submitted by:	Garrett Cooper

1 files changed, 10 insertions, 0 deletions

diff --git a/usr.sbin/config/mkoptions.c b/usr.sbin/config/mkoptions.c
index c4bd624..5cd9d61 100644
--- a/usr.sbin/config/mkoptions.c
+++ b/usr.sbin/config/mkoptions.c
@@ -70,6 +70,8 @@ options(void)
 	/* Fake the cpu types as options. */
 	SLIST_FOREACH(cp, &cputype, cpu_next) {
 		op = (struct opt *)calloc(1, sizeof(*op));
+		if (op == NULL)
+			err(EXIT_FAILURE, "calloc");
 		op->op_name = ns(cp->cpu_name);
 		SLIST_INSERT_HEAD(&opt, op, op_next);
 	}	
@@ -84,6 +86,8 @@ options(void)
 
 	/* Fake MAXUSERS as an option. */
 	op = (struct opt *)calloc(1, sizeof(*op));
+	if (op == NULL)
+		err(EXIT_FAILURE, "calloc");
 	op->op_name = ns("MAXUSERS");
 	snprintf(buf, sizeof(buf), "%d", maxusers);
 	op->op_value = ns(buf);
@@ -199,6 +203,8 @@ do_option(char *name)
 			tidy++;
 		} else {
 			op = (struct opt *) calloc(1, sizeof *op);
+			if (op == NULL)
+				err(EXIT_FAILURE, "calloc");
 			op->op_name = inw;
 			op->op_value = invalue;
 			SLIST_INSERT_HEAD(&op_head, op, op_next);
@@ -225,6 +231,8 @@ do_option(char *name)
 	if (value && !seen) {
 		/* New option appears */
 		op = (struct opt *) calloc(1, sizeof *op);
+		if (op == NULL)
+			err(EXIT_FAILURE, "calloc");
 		op->op_name = ns(name);
 		op->op_value = value ? ns(value) : NULL;
 		SLIST_INSERT_HEAD(&op_head, op, op_next);
@@ -336,6 +344,8 @@ next:
 	}
 	
 	po = (struct opt_list *) calloc(1, sizeof *po);
+	if (po == NULL)
+		err(EXIT_FAILURE, "calloc");
 	po->o_name = this;
 	po->o_file = val;
 	SLIST_INSERT_HEAD(&otab, po, o_next);