Re: [PATCH 2.6.2-rc1-mm3] drivers/usb/storage/dpcm.c

["Randy.Dunlap" <rddunlap _at_ xxxxxxxx>]

On Sun, 25 Jan 2004 01:00:09 -0800 Bryan Whitehead <driver _at_ jpl.nasa.gov> wrote:

| Matthew Dharm wrote:
| > One message a day to report a particular bug is really enough.... :)
| > 
| > That said, I think it would be better to add the ifdef's instead of more
| > substantial code changes.
| 
| No problemo, I was just getting my feet wet on small compiler warning 
| fixes and the SubmitingPatches doc said ifdefs were from the devil. ;)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
FWIW, I prefer Bryan's patch instead of the #ifdefs.

--
~Randy


| I'll sent a patch later sunday...
| 
| > 
| > Matt
| > 
| > On Sat, Jan 24, 2004 at 09:03:42PM -0800, Bryan Whitehead wrote:
| > 
| >>In function dpcm_transport the compiler complains about ret not being used:
| >>drivers/usb/storage/dpcm.c: In function `dpcm_transport':
| >>drivers/usb/storage/dpcm.c:46: warning: unused variable `ret'
| >>
| >>ret is not used if CONFIG_USB_STORAGE_SDDR09 is not set. Instead of adding
| >>more ifdef's to the code this patch puts ret to use for the other 2 cases in
| >>the switch statement (case 0 and default).
| >>
| >>--- drivers/usb/storage/dpcm.c.orig     2004-01-24 20:51:40.631038904 -0800
| >>+++ drivers/usb/storage/dpcm.c  2004-01-24 20:50:05.155553384 -0800
| >>@@ -56,7 +56,8 @@ int dpcm_transport(Scsi_Cmnd *srb, struc
| >>     /*
| >>      * LUN 0 corresponds to the CompactFlash card reader.
| >>      */
| >>-    return usb_stor_CB_transport(srb, us);
| >>+    ret = usb_stor_CB_transport(srb, us);
| >>+    break;
| >>  
| >> #ifdef CONFIG_USB_STORAGE_SDDR09
| >>   case 1:
| >>@@ -72,11 +73,12 @@ int dpcm_transport(Scsi_Cmnd *srb, struc
| >>     ret = sddr09_transport(srb, us);
| >>     srb->device->lun = 1; us->srb->device->lun = 1;
| >>  
| >>-    return ret;
| >>+    break;
| >> #endif
| >>  
| >>   default:
| >>     US_DEBUGP("dpcm_transport: Invalid LUN %d\n", srb->device->lun);
| >>-    return USB_STOR_TRANSPORT_ERROR;
| >>+    ret = USB_STOR_TRANSPORT_ERROR;
| >>   }
| >>+  return ret;
| >> }
| >>
| >>--
-
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