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authorStefan Richter <stefanr@s5r6.in-berlin.de>2010-07-22 09:58:05 (GMT)
committerStefan Richter <stefanr@s5r6.in-berlin.de>2010-07-27 09:04:12 (GMT)
commita8461c0f3bfffe752fc62ce3960eb827463e90b5 (patch)
tree6f084345ddad45459397846a069dc5fde7a3b736 /tools/firewire
parent1bcc69fb6a48edb3ddf2e8c42f1d1c242196bf74 (diff)
tools/firewire: nosy-dump: work around segfault in decode_fcp
If I run "nosy-dump --view=transaction" with my camcorder on battery instead of mains, it segfaults very quickly because of !t->request. Perhaps this is because of increased likelyhood of incomplete transactions (ack_busy when host writes to camcorder's FCP_Request) and a bug deeper in nosy-dump's transaction housekeeping. This is a quick workaround to get me going. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'tools/firewire')
-rw-r--r--tools/firewire/nosy-dump.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/firewire/nosy-dump.c b/tools/firewire/nosy-dump.c
index 0bad0a4..1d4dd54 100644
--- a/tools/firewire/nosy-dump.c
+++ b/tools/firewire/nosy-dump.c
@@ -230,6 +230,11 @@ handle_transaction(struct link_transaction *t)
struct subaction *sa;
int i;
+ if (!t->request) {
+ printf("BUG in handle_transaction\n");
+ return;
+ }
+
for (i = 0; i < array_length(protocol_decoders); i++)
if (protocol_decoders[i].decode(t))
break;

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