X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=sidebyside;f=src%2Fserver%2Fgdb_server.c;h=ea82114081dd1d6bd3f714fab77966bcd6d9712a;hb=32c4c18045599ddfed36f52b276166ce932b1bf7;hp=6729df3a3387813defeebe0c4cd2d054bc749790;hpb=94d64ccaebd3df17f5873c076fc08ca97088cb1e;p=fw%2Fopenocd

diff --git a/src/server/gdb_server.c b/src/server/gdb_server.c
index 6729df3a3..ea8211408 100644
--- a/src/server/gdb_server.c
+++ b/src/server/gdb_server.c
@@ -1352,6 +1352,12 @@ static int gdb_read_memory_packet(struct connection *connection,
 
 	len = strtoul(separator + 1, NULL, 16);
 
+	if (!len) {
+		LOG_WARNING("invalid read memory packet received (len == 0)");
+		gdb_put_packet(connection, NULL, 0);
+		return ERROR_OK;
+	}
+
 	buffer = malloc(len);
 
 	LOG_DEBUG("addr: 0x%8.8" PRIx32 ", len: 0x%8.8" PRIx32 "", addr, len);
@@ -2199,6 +2205,7 @@ static int gdb_target_description_supported(struct target *target, int *supporte
 	struct reg **reg_list = NULL;
 	int reg_list_size = 0;
 	int feature_list_size = 0;
+	char **features = NULL;
 
 	retval = target_get_gdb_reg_list(target, &reg_list,
 			&reg_list_size, REG_CLASS_ALL);
@@ -2212,7 +2219,6 @@ static int gdb_target_description_supported(struct target *target, int *supporte
 		goto error;
 	}
 
-	char **features = NULL;
 	/* Get a list of available target registers features */
 	retval = get_reg_features_list(target, &features, &feature_list_size, reg_list, reg_list_size);
 	if (retval != ERROR_OK) {