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Subject[PATCH] [media] ddbridge: fix error handling in module_init_ddbridge()
Date
If pci_register_driver() failed, resources allocated in
ddb_class_create() are leaked. The patch fixes it.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
---
drivers/media/dvb/ddbridge/ddbridge-core.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/media/dvb/ddbridge/ddbridge-core.c b/drivers/media/dvb/ddbridge/ddbridge-core.c
index ebf3f05..36aa4e4 100644
--- a/drivers/media/dvb/ddbridge/ddbridge-core.c
+++ b/drivers/media/dvb/ddbridge/ddbridge-core.c
@@ -1705,7 +1705,11 @@ static __init int module_init_ddbridge(void)
"Copyright (C) 2010-11 Digital Devices GmbH\n");
if (ddb_class_create())
return -1;
- return pci_register_driver(&ddb_pci_driver);
+ if (pci_register_driver(&ddb_pci_driver) < 0) {
+ ddb_class_destroy();
+ return -1;
+ }
+ return 0;
}

static __exit void module_exit_ddbridge(void)
--
1.7.9.5


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