From 9ca0e573af89a5d2ce0bc682633560891275bf71 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Thu, 21 Jun 2012 10:24:43 +0200 Subject: USB storage: use dma_alloc where appropriate Signed-off-by: Sascha Hauer --- drivers/usb/storage/transport.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'drivers/usb/storage') diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c index e7a5972750..68170b65c0 100644 --- a/drivers/usb/storage/transport.c +++ b/drivers/usb/storage/transport.c @@ -26,6 +26,7 @@ #include #include #include +#include #undef USB_STOR_DEBUG @@ -65,8 +66,8 @@ int usb_stor_Bulk_clear_endpt_stall(struct us_data *us, unsigned int pipe) /* Determine what the maximum LUN supported is */ int usb_stor_Bulk_max_lun(struct us_data *us) { - int len; - unsigned char iobuf[1]; + int len, ret = 0; + unsigned char *iobuf = dma_alloc(1); /* issue the command */ iobuf[0] = 0; @@ -81,7 +82,9 @@ int usb_stor_Bulk_max_lun(struct us_data *us) /* if we have a successful request, return the result */ if (len > 0) - return (int)iobuf[0]; + ret = iobuf[0]; + + dma_free(iobuf); /* * Some devices don't like GetMaxLUN. They may STALL the control @@ -90,7 +93,7 @@ int usb_stor_Bulk_max_lun(struct us_data *us) * ways. In these cases the best approach is to use the default * value: only one LUN. */ - return 0; + return ret; } int usb_stor_Bulk_transport(ccb *srb, struct us_data *us) -- cgit v1.2.3