Don't remove the __user annotation of the fpstate pointer, but drop the superfluous void * cast instead.
This fixes the following sparse warnings: xsave.c:135:15: warning: cast removes address space of expression xsave.c:135:15: warning: incorrect type in argument 1 (different address spaces) xsave.c:135:15: expected void const volatile [noderef] <asn:1>*<noident> xsave.c:135:15: got unsigned int [usertype] *<noident> xsave.c:135:15: warning: cast removes address space of expression xsave.c:135:15: warning: cast removes address space of expression xsave.c:135:15: warning: cast removes address space of expression xsave.c:135:15: warning: cast removes address space of expression xsave.c:135:15: warning: cast removes address space of expression xsave.c:135:15: warning: cast removes address space of expression Signed-off-by: Mathias Krause <[email protected]> --- arch/x86/kernel/xsave.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c index 3d3e207..9e1a8a7 100644 --- a/arch/x86/kernel/xsave.c +++ b/arch/x86/kernel/xsave.c @@ -132,9 +132,9 @@ int check_for_xstate(struct i387_fxsave_struct __user *buf, fx_sw_user->xstate_size > fx_sw_user->extended_size) return -EINVAL; - err = __get_user(magic2, (__u32 *) (((void *)fpstate) + - fx_sw_user->extended_size - - FP_XSTATE_MAGIC2_SIZE)); + err = __get_user(magic2, (__u32 __user *) (fpstate + + fx_sw_user->extended_size - + FP_XSTATE_MAGIC2_SIZE)); if (err) return err; /* -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
