diff options
Diffstat (limited to 'common/usb_storage.c')
| -rw-r--r-- | common/usb_storage.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/common/usb_storage.c b/common/usb_storage.c index 097b6729c1..b291ac55d1 100644 --- a/common/usb_storage.c +++ b/common/usb_storage.c @@ -1157,6 +1157,7 @@ static unsigned long usb_stor_read(struct blk_desc *block_dev, lbaint_t blknr, ss = (struct us_data *)udev->privptr; usb_disable_asynch(1); /* asynch transfer not allowed */ + usb_lock_async(udev, 1); srb->lun = block_dev->lun; buf_addr = (uintptr_t)buffer; start = blknr; @@ -1195,6 +1196,7 @@ retry_it: debug("usb_read: end startblk " LBAF ", blccnt %x buffer %lx\n", start, smallblks, buf_addr); + usb_lock_async(udev, 0); usb_disable_asynch(0); /* asynch transfer allowed */ if (blkcnt >= ss->max_xfer_blk) debug("\n"); @@ -1239,6 +1241,7 @@ static unsigned long usb_stor_write(struct blk_desc *block_dev, lbaint_t blknr, ss = (struct us_data *)udev->privptr; usb_disable_asynch(1); /* asynch transfer not allowed */ + usb_lock_async(udev, 1); srb->lun = block_dev->lun; buf_addr = (uintptr_t)buffer; @@ -1280,6 +1283,7 @@ retry_it: debug("usb_write: end startblk " LBAF ", blccnt %x buffer %lx\n", start, smallblks, buf_addr); + usb_lock_async(udev, 0); usb_disable_asynch(0); /* asynch transfer allowed */ if (blkcnt >= ss->max_xfer_blk) debug("\n"); |