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path: root/drivers/usb/mon/mon_bin.c
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Diffstat (limited to 'drivers/usb/mon/mon_bin.c')
-rw-r--r--drivers/usb/mon/mon_bin.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c
index 6566fc0a322..e06810aef2d 100644
--- a/drivers/usb/mon/mon_bin.c
+++ b/drivers/usb/mon/mon_bin.c
@@ -687,7 +687,10 @@ static ssize_t mon_bin_read(struct file *file, char __user *buf,
}
if (rp->b_read >= sizeof(struct mon_bin_hdr)) {
- step_len = min(nbytes, (size_t)ep->len_cap);
+ step_len = ep->len_cap;
+ step_len -= rp->b_read - sizeof(struct mon_bin_hdr);
+ if (step_len > nbytes)
+ step_len = nbytes;
offset = rp->b_out + PKT_SIZE;
offset += rp->b_read - sizeof(struct mon_bin_hdr);
if (offset >= rp->b_size)
@@ -1162,9 +1165,9 @@ int mon_bin_add(struct mon_bus *mbus, const struct usb_bus *ubus)
if (minor >= MON_BIN_MAX_MINOR)
return 0;
- dev = device_create_drvdata(mon_bin_class, ubus? ubus->controller: NULL,
- MKDEV(MAJOR(mon_bin_dev0), minor), NULL,
- "usbmon%d", minor);
+ dev = device_create(mon_bin_class, ubus ? ubus->controller : NULL,
+ MKDEV(MAJOR(mon_bin_dev0), minor), NULL,
+ "usbmon%d", minor);
if (IS_ERR(dev))
return 0;