src: constify location parameter in cmd_add_loc()

Constify pointer to location object to compile check for unintentional
updates.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/rule.c b/src/rule.c
index e57009b2..dddfdf51 100644
--- a/src/rule.c
+++ b/src/rule.c
@@ -1473,7 +1473,7 @@ struct cmd *cmd_alloc(enum cmd_ops op, enum cmd_obj obj,
 	return cmd;
 }
 
-void cmd_add_loc(struct cmd *cmd, uint16_t offset, struct location *loc)
+void cmd_add_loc(struct cmd *cmd, uint16_t offset, const struct location *loc)
 {
 	if (cmd->num_attrs > NFT_NLATTR_LOC_MAX)
 		return;