diff options
| -rw-r--r-- | drivers/scsi/3w-9xxx.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c index 0d2b447c50e..caeb6d246e5 100644 --- a/drivers/scsi/3w-9xxx.c +++ b/drivers/scsi/3w-9xxx.c @@ -65,6 +65,7 @@ 2.26.02.005 - Fix use_sg == 0 mapping on systems with 4GB or higher. 2.26.02.006 - Fix 9550SX pchip reset timeout. Add big endian support. + 2.26.02.007 - Disable local interrupts during kmap/unmap_atomic(). */ #include <linux/module.h> @@ -88,7 +89,7 @@ #include "3w-9xxx.h" /* Globals */ -#define TW_DRIVER_VERSION "2.26.02.006" +#define TW_DRIVER_VERSION "2.26.02.007" static TW_Device_Extension *twa_device_extension_list[TW_MAX_SLOT]; static unsigned int twa_device_extension_count; static int twa_major = -1; @@ -1942,9 +1943,13 @@ static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int re } if (tw_dev->srb[request_id]->use_sg == 1) { struct scatterlist *sg = (struct scatterlist *)tw_dev->srb[request_id]->request_buffer; - char *buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; + char *buf; + unsigned long flags = 0; + local_irq_save(flags); + buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; memcpy(buf, tw_dev->generic_buffer_virt[request_id], sg->length); kunmap_atomic(buf - sg->offset, KM_IRQ0); + local_irq_restore(flags); } } } /* End twa_scsiop_execute_scsi_complete() */ |