Commit 6fa79bca authored by Stefan Richter's avatar Stefan Richter

tools/firewire: nosy-dump: check for allocation failure

Behavior of null pointer dereference is undefined in the C language.
Portably implement the desired behavior.
Reported-by: default avatarYang Yeping <>
Signed-off-by: default avatarStefan Richter <>
parent 9489e9dc
......@@ -150,6 +150,8 @@ subaction_create(uint32_t *data, size_t length)
/* we put the ack in the subaction struct for easy access. */
sa = malloc(sizeof *sa - sizeof sa->packet + length);
if (!sa)
sa->ack = data[length / 4 - 1];
sa->length = length;
memcpy(&sa->packet, data, length);
......@@ -180,6 +182,8 @@ link_transaction_lookup(int request_node, int response_node, int tlabel)
t = malloc(sizeof *t);
if (!t)
t->request_node = request_node;
t->response_node = response_node;
t->tlabel = tlabel;
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