firewire: ohci: fix AT context initialization error handling

Add proper error handling for the context_init() calls.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

1 files changed, 10 insertions, 4 deletions

diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index be0a01d8cef3..3775364f1b51 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -3102,11 +3102,15 @@ static int __devinit pci_probe(struct pci_dev *dev,
         if (err < 0)
                 goto fail_arreq_ctx;
 
-        context_init(&ohci->at_request_ctx, ohci,
-                     OHCI1394_AsReqTrContextControlSet, handle_at_packet);
+        err = context_init(&ohci->at_request_ctx, ohci,
+                           OHCI1394_AsReqTrContextControlSet, handle_at_packet);
+        if (err < 0)
+                goto fail_arrsp_ctx;
 
-        context_init(&ohci->at_response_ctx, ohci,
-                     OHCI1394_AsRspTrContextControlSet, handle_at_packet);
+        err = context_init(&ohci->at_response_ctx, ohci,
+                           OHCI1394_AsRspTrContextControlSet, handle_at_packet);
+        if (err < 0)
+                goto fail_atreq_ctx;
 
         reg_write(ohci, OHCI1394_IsoRecvIntMaskSet, ~0);
         ohci->ir_context_channels = ~0ULL;
@@ -3163,7 +3167,9 @@ static int __devinit pci_probe(struct pci_dev *dev,
         kfree(ohci->ir_context_list);
         kfree(ohci->it_context_list);
         context_release(&ohci->at_response_ctx);
+ fail_atreq_ctx:
         context_release(&ohci->at_request_ctx);
+ fail_arrsp_ctx:
         ar_context_release(&ohci->ar_response_ctx);
  fail_arreq_ctx:
         ar_context_release(&ohci->ar_request_ctx);