On 04/03/2014 09:25 PM, Josh Cartwright wrote:
> Nitworthy comments :).
>
> On Thu, Apr 03, 2014 at 07:18:00PM +0300, Stanimir Varbanov wrote:
> [..]
>> +++ b/drivers/crypto/qce/dma.c
> [..]
>> +int qce_dma_request(struct device *dev, struct qce_dma_data *dma)
>> +{
>> + unsigned int memsize;
>> + void *va;
>> + int ret;
>> +
>> + dma->txchan = dma_request_slave_channel_reason(dev, "tx");
>> + if (IS_ERR(dma->txchan)) {
>> + ret = PTR_ERR(dma->txchan);
>> + return ret;
>> + }
>> +
>> + dma->rxchan = dma_request_slave_channel_reason(dev, "rx");
>> + if (IS_ERR(dma->rxchan)) {
>> + ret = PTR_ERR(dma->rxchan);
>> + goto error_rx;
>> + }
>> +
>> + memsize = QCE_RESULT_BUF_SZ + QCE_IGNORE_BUF_SZ;
>> + va = kzalloc(memsize, GFP_KERNEL);
>> + if (!va) {
>> + ret = -ENOMEM;
>> + goto error_nomem;
>> + }
>> +
>> + dma->result_buf = va;
>> + dma->ignore_buf = dma->result_buf + QCE_RESULT_BUF_SZ;
>> +
>> + return 0;
>> +error_nomem:
>> + if (!IS_ERR(dma->rxchan))
>
> How could this condition ever be false?
Good catch. This is a leftover after error path restructuring. Will fix
it on next version.
--
regards,
Stan
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