esp.c: remove unneeded if() check in esp_transfer_data()
The following ti_cmd checks ensure that only DMA and non-DMA TI commmands will can call into the esp_do_dma() and esp_do_nodma() callbacks. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Tested-by: Helge Deller <deller@gmx.de> Tested-by: Thomas Huth <thuth@redhat.com> Message-Id: <20240112125420.514425-27-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
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@ -916,16 +916,13 @@ void esp_transfer_data(SCSIRequest *req, uint32_t len)
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esp_raise_irq(s);
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}
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if (s->ti_cmd == 0) {
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/*
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* Always perform the initial transfer upon reception of the next TI
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* command to ensure the DMA/non-DMA status of the command is correct.
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* It is not possible to use s->dma directly in the section below as
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* some OSs send non-DMA NOP commands after a DMA transfer. Hence if the
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* async data transfer is delayed then s->dma is set incorrectly.
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*/
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return;
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}
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/*
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* Always perform the initial transfer upon reception of the next TI
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* command to ensure the DMA/non-DMA status of the command is correct.
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* It is not possible to use s->dma directly in the section below as
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* some OSs send non-DMA NOP commands after a DMA transfer. Hence if the
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* async data transfer is delayed then s->dma is set incorrectly.
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*/
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if (s->ti_cmd == (CMD_TI | CMD_DMA)) {
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if (dmalen) {
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