instance.c: Fix a scan-build warning.

  instance.c:278:25: warning: The left operand of '!=' is a garbage value
                  if (new_channelmap[i] != -1)
                      ~~~~~~~~~~~~~~~~~ ^

1 files changed, 1 insertions, 1 deletions

diff --git a/instance.c b/instance.c
index a94118f..17809be 100644
--- a/instance.c
+++ b/instance.c
@@ -223,7 +223,7 @@ SRD_API int srd_inst_channel_set_all(struct srd_decoder_inst *di,
 		return SRD_ERR_ARG;
 	}
 
-	new_channelmap = g_malloc(sizeof(int) * di->dec_num_channels);
+	new_channelmap = g_malloc0(sizeof(int) * di->dec_num_channels);
 
 	/*
 	 * For now, map all indexes to channel -1 (can be overridden later).