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Diffstat (limited to 'kernel/drivers/ata/libata-eh.c')
| -rw-r--r-- | kernel/drivers/ata/libata-eh.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/drivers/ata/libata-eh.c b/kernel/drivers/ata/libata-eh.c index cb0508af1..961acc788 100644 --- a/kernel/drivers/ata/libata-eh.c +++ b/kernel/drivers/ata/libata-eh.c @@ -1505,12 +1505,20 @@ static const char *ata_err_string(unsigned int err_mask) unsigned int ata_read_log_page(struct ata_device *dev, u8 log, u8 page, void *buf, unsigned int sectors) { + unsigned long ap_flags = dev->link->ap->flags; struct ata_taskfile tf; unsigned int err_mask; bool dma = false; DPRINTK("read log page - log 0x%x, page 0x%x\n", log, page); + /* + * Return error without actually issuing the command on controllers + * which e.g. lockup on a read log page. + */ + if (ap_flags & ATA_FLAG_NO_LOG_PAGE) + return AC_ERR_DEV; + retry: ata_tf_init(dev, &tf); if (dev->dma_mode && ata_id_has_read_log_dma_ext(dev->id) && |