提交 c222fb2e 编写于 作者: B Bob Copeland 提交者: Greg Kroah-Hartman

USB: usb-storage: fix initializations of urb fields

Commit 0ede76fc, "USB: remove uses of
URB_NO_SETUP_DMA_MAP" introduced a regression by inadvertantly removing
initialization of the transfer flags.  This caused initialization
failures in the ums-karma driver.  Fix the regression by zeroing it.

While at it, as Alan Stern points out, the initializers for
actual_length and status are handled by the core and error_count
only matters for isochronous urbs, so they don't need to be set here.
Remove them.
Signed-off-by: NBob Copeland <me@bobcopeland.com>
Acked-by: NAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
上级 c30c791c
......@@ -139,9 +139,7 @@ static int usb_stor_msg_common(struct us_data *us, int timeout)
/* fill the common fields in the URB */
us->current_urb->context = &urb_done;
us->current_urb->actual_length = 0;
us->current_urb->error_count = 0;
us->current_urb->status = 0;
us->current_urb->transfer_flags = 0;
/* we assume that if transfer_buffer isn't us->iobuf then it
* hasn't been mapped for DMA. Yes, this is clunky, but it's
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册