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greybus: operation: fix memory leak in request_send error path 

Make sure to drop the operation reference when sending the request fails
to avoid leaking the operation structures.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
hifive-unleashed-5.1
Johan Hovold 2015-03-27 12:41:14 +01:00 committed by Greg Kroah-Hartman
parent 0fb5acc401
commit ea2c2ee805
1 changed files with 6 additions and 1 deletions
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7
drivers/staging/greybus/operation.c
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@ -643,6 +643,7 @@ int gb_operation_request_send(struct gb_operation *operation,
struct gb_connection *connection = operation->connection;
struct gb_operation_msg_hdr *header;
unsigned int cycle;
int ret;
if (!callback)
return -EINVAL;
@ -675,7 +676,11 @@ int gb_operation_request_send(struct gb_operation *operation,
/* All set, send the request */
gb_operation_result_set(operation, -EINPROGRESS);
return gb_message_send(operation->request);
ret = gb_message_send(operation->request);
if (ret)
gb_operation_put(operation);
return ret;
}
EXPORT_SYMBOL_GPL(gb_operation_request_send);