From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Date: Tue, 06 Jan 2015 15:43:53 +0000 Subject: [PATCH v2 07/40] ia64/uaccess: fix sparse errors Message-Id: <1420558883-10131-8-git-send-email-mst@redhat.com> List-Id: References: <1420558883-10131-1-git-send-email-mst@redhat.com> In-Reply-To: <1420558883-10131-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-kernel@vger.kernel.org Cc: Arnd Bergmann , linux-arch@vger.kernel.org, Tony Luck , Fenghua Yu , Thierry Reding , linux-ia64@vger.kernel.org virtio wants to read bitwise types from userspace using get_user. At the moment this triggers sparse errors, since the value is passed through an integer. Fix that up using __force. Signed-off-by: Michael S. Tsirkin --- arch/ia64/include/asm/uaccess.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/ia64/include/asm/uaccess.h b/arch/ia64/include/asm/uaccess.h index 103bedc..967c312 100644 --- a/arch/ia64/include/asm/uaccess.h +++ b/arch/ia64/include/asm/uaccess.h @@ -197,7 +197,7 @@ extern void __get_user_unknown (void); case 8: __get_user_size(__gu_val, __gu_ptr, 8, __gu_err); break; \ default: __get_user_unknown(); break; \ } \ - (x) = (__typeof__(*(__gu_ptr))) __gu_val; \ + (x) = (__force __typeof__(*(__gu_ptr))) __gu_val; \ __gu_err; \ }) -- MST