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path: root/drivers/ata/sata_sil.c
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Diffstat (limited to 'drivers/ata/sata_sil.c')
-rw-r--r--drivers/ata/sata_sil.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c
index 14872556334b..aaff357db5f5 100644
--- a/drivers/ata/sata_sil.c
+++ b/drivers/ata/sata_sil.c
@@ -386,9 +386,15 @@ static void sil_host_intr(struct ata_port *ap, u32 bmdma2)
386 goto freeze; 386 goto freeze;
387 } 387 }
388 388
389 if (unlikely(!qc || qc->tf.ctl & ATA_NIEN)) 389 if (unlikely(!qc))
390 goto freeze; 390 goto freeze;
391 391
392 if (unlikely(qc->tf.flags & ATA_TFLAG_POLLING)) {
393 /* this sometimes happens, just clear IRQ */
394 ata_chk_status(ap);
395 return;
396 }
397
392 /* Check whether we are expecting interrupt in this state */ 398 /* Check whether we are expecting interrupt in this state */
393 switch (ap->hsm_task_state) { 399 switch (ap->hsm_task_state) {
394 case HSM_ST_FIRST: 400 case HSM_ST_FIRST: