On Sat, Jun 14, 2014 at 02:04:38PM +0900, Seunghun Lee wrote: > This patch fixes below warning. > > drivers/staging/ced1401/ced_ioc.c:703:30: warning: incorrect type in assignment (different address spaces) > drivers/staging/ced1401/ced_ioc.c:703:30: expected void *[usertype] lpvBuff > drivers/staging/ced1401/ced_ioc.c:703:30: got char [noderef] <asn:1>*puBuf > > Signed-off-by: Seunghun Lee <waydi1@xxxxxxxxx> > --- > drivers/staging/ced1401/ced_ioc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/staging/ced1401/ced_ioc.c b/drivers/staging/ced1401/ced_ioc.c > index ebbc509..963b941 100644 > --- a/drivers/staging/ced1401/ced_ioc.c > +++ b/drivers/staging/ced1401/ced_ioc.c > @@ -700,7 +700,7 @@ static int SetArea(DEVICE_EXTENSION *pdx, int nArea, char __user *puBuf, > /* kmap() or kmap_atomic() to get a virtual address. page_address will give you */ > /* (null) or at least it does in this context with an x86 machine. */ > spin_lock_irq(&pdx->stagedLock); > - pTA->lpvBuff = puBuf; /* keep start of region (user address) */ > + pTA->lpvBuff = (__force void *)puBuf; /* keep start of region (user address) */ Shouldn't you change the type of lpvBuff instead of having to force this cast? thanks, greg k-h _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel