On Mon, Nov 28, 2005 at 12:52:20PM -0800, Greg KH wrote:
> On Wed, Nov 23, 2005 at 09:31:50PM +0100, Adrian Bunk wrote:
> > On Wed, Nov 23, 2005 at 11:02:37AM -0800, Greg KH wrote:
> > > On Mon, Nov 21, 2005 at 12:22:39AM +0100, Adrian Bunk wrote:
> > > > The Coverity checker found this obviously dead code.
> > >
> > > I think the checker is wrong, this does not look correct to me.
> >
> > Why?
> >
> > Due to the while(length), length can't be 0 at the switch.
>
> Doh, ok, nevermind. Care to resend this?
It's below.
> thanks,
>
> greg k-h
cu
Adrian
<-- snip -->
The Coverity checker found this dead code.
Signed-off-by: Adrian Bunk <[email protected]>
---
drivers/usb/misc/sisusbvga/sisusb.c | 6 ------
1 file changed, 6 deletions(-)
--- linux-2.6.15-rc1-mm2-full/drivers/usb/misc/sisusbvga/sisusb.c.old 2005-11-20 22:56:41.000000000 +0100
+++ linux-2.6.15-rc1-mm2-full/drivers/usb/misc/sisusbvga/sisusb.c 2005-11-20 22:58:22.000000000 +0100
@@ -861,13 +861,10 @@
while (length) {
switch (length) {
- case 0:
- return ret;
-
case 1:
if (userbuffer) {
if (get_user(swap8, (u8 __user *)userbuffer))
return -EFAULT;
} else
@@ -1219,13 +1216,10 @@
while (length) {
switch (length) {
- case 0:
- return ret;
-
case 1:
ret |= sisusb_read_memio_byte(sisusb, SISUSB_TYPE_MEM,
addr, &buf[0]);
if (!ret) {
-
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