diff options
| -rw-r--r-- | drivers/rapidio/rio.c | 54 |
1 files changed, 42 insertions, 12 deletions
diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c index 840802943dc0..1cd32603259f 100644 --- a/drivers/rapidio/rio.c +++ b/drivers/rapidio/rio.c @@ -268,6 +268,12 @@ int rio_request_inb_mbox(struct rio_mport *mport, mport->inb_msg[mbox].mcback = minb; rc = mport->ops->open_inb_mbox(mport, dev_id, mbox, entries); + if (rc) { + mport->inb_msg[mbox].mcback = NULL; + mport->inb_msg[mbox].res = NULL; + release_resource(res); + kfree(res); + } } else rc = -ENOMEM; @@ -285,13 +291,22 @@ int rio_request_inb_mbox(struct rio_mport *mport, */ int rio_release_inb_mbox(struct rio_mport *mport, int mbox) { - if (mport->ops->close_inb_mbox) { - mport->ops->close_inb_mbox(mport, mbox); + int rc; - /* Release the mailbox resource */ - return release_resource(mport->inb_msg[mbox].res); - } else - return -ENOSYS; + if (!mport->ops->close_inb_mbox || !mport->inb_msg[mbox].res) + return -EINVAL; + + mport->ops->close_inb_mbox(mport, mbox); + mport->inb_msg[mbox].mcback = NULL; + + rc = release_resource(mport->inb_msg[mbox].res); + if (rc) + return rc; + + kfree(mport->inb_msg[mbox].res); + mport->inb_msg[mbox].res = NULL; + + return 0; } /** @@ -336,6 +351,12 @@ int rio_request_outb_mbox(struct rio_mport *mport, mport->outb_msg[mbox].mcback = moutb; rc = mport->ops->open_outb_mbox(mport, dev_id, mbox, entries); + if (rc) { + mport->outb_msg[mbox].mcback = NULL; + mport->outb_msg[mbox].res = NULL; + release_resource(res); + kfree(res); + } } else rc = -ENOMEM; @@ -353,13 +374,22 @@ int rio_request_outb_mbox(struct rio_mport *mport, */ int rio_release_outb_mbox(struct rio_mport *mport, int mbox) { - if (mport->ops->close_outb_mbox) { - mport->ops->close_outb_mbox(mport, mbox); + int rc; - /* Release the mailbox resource */ - return release_resource(mport->outb_msg[mbox].res); - } else - return -ENOSYS; + if (!mport->ops->close_outb_mbox || !mport->outb_msg[mbox].res) + return -EINVAL; + + mport->ops->close_outb_mbox(mport, mbox); + mport->outb_msg[mbox].mcback = NULL; + + rc = release_resource(mport->outb_msg[mbox].res); + if (rc) + return rc; + + kfree(mport->outb_msg[mbox].res); + mport->outb_msg[mbox].res = NULL; + + return 0; } /** |