summaryrefslogtreecommitdiff
path: root/drivers/usb/gadget/f_mass_storage.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/gadget/f_mass_storage.c')
-rw-r--r--drivers/usb/gadget/f_mass_storage.c43
1 files changed, 22 insertions, 21 deletions
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index 6ecdea3e14..be6b418d4e 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -441,7 +441,7 @@ static void set_bulk_out_req_length(struct fsg_common *common,
/*-------------------------------------------------------------------------*/
-struct ums_board_info *ums_info;
+struct ums *ums;
struct fsg_common *the_fsg_common;
static int fsg_set_halt(struct fsg_dev *fsg, struct usb_ep *ep)
@@ -757,14 +757,14 @@ static int do_read(struct fsg_common *common)
}
/* Perform the read */
- nread = 0;
- rc = ums_info->read_sector(&(ums_info->ums_dev),
- file_offset / SECTOR_SIZE,
- amount / SECTOR_SIZE,
- (char __user *)bh->buf);
- if (rc)
+ rc = ums->read_sector(ums,
+ file_offset / SECTOR_SIZE,
+ amount / SECTOR_SIZE,
+ (char __user *)bh->buf);
+ if (!rc)
return -EIO;
- nread = amount;
+
+ nread = rc * SECTOR_SIZE;
VLDBG(curlun, "file read %u @ %llu -> %d\n", amount,
(unsigned long long) file_offset,
@@ -931,13 +931,13 @@ static int do_write(struct fsg_common *common)
amount = bh->outreq->actual;
/* Perform the write */
- rc = ums_info->write_sector(&(ums_info->ums_dev),
+ rc = ums->write_sector(ums,
file_offset / SECTOR_SIZE,
amount / SECTOR_SIZE,
(char __user *)bh->buf);
- if (rc)
+ if (!rc)
return -EIO;
- nwritten = amount;
+ nwritten = rc * SECTOR_SIZE;
VLDBG(curlun, "file write %u @ %llu -> %d\n", amount,
(unsigned long long) file_offset,
@@ -959,6 +959,8 @@ static int do_write(struct fsg_common *common)
/* If an error occurred, report it and its position */
if (nwritten < amount) {
+ printf("nwritten:%d amount:%d\n", nwritten,
+ amount);
curlun->sense_data = SS_WRITE_ERROR;
curlun->info_valid = 1;
break;
@@ -1045,14 +1047,13 @@ static int do_verify(struct fsg_common *common)
}
/* Perform the read */
- nread = 0;
- rc = ums_info->read_sector(&(ums_info->ums_dev),
- file_offset / SECTOR_SIZE,
- amount / SECTOR_SIZE,
- (char __user *)bh->buf);
- if (rc)
+ rc = ums->read_sector(ums,
+ file_offset / SECTOR_SIZE,
+ amount / SECTOR_SIZE,
+ (char __user *)bh->buf);
+ if (!rc)
return -EIO;
- nread = amount;
+ nread = rc * SECTOR_SIZE;
VLDBG(curlun, "file read %u @ %llu -> %d\n", amount,
(unsigned long long) file_offset,
@@ -1100,7 +1101,7 @@ static int do_inquiry(struct fsg_common *common, struct fsg_buffhd *bh)
buf[4] = 31; /* Additional length */
/* No special options */
sprintf((char *) (buf + 8), "%-8s%-16s%04x", (char*) vendor_id ,
- ums_info->name, (u16) 0xffff);
+ ums->name, (u16) 0xffff);
return 36;
}
@@ -2753,9 +2754,9 @@ int fsg_add(struct usb_configuration *c)
return fsg_bind_config(c->cdev, c, fsg_common);
}
-int fsg_init(struct ums_board_info *ums)
+int fsg_init(struct ums *ums_dev)
{
- ums_info = ums;
+ ums = ums_dev;
return 0;
}