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authorMichael S. Tsirkin <mst@redhat.com>2014-12-11 18:56:04 -0500
committerMichael S. Tsirkin <mst@redhat.com>2015-01-13 08:23:17 -0500
commit582a6783c56517b84a06da72e18e1e44a59558e6 (patch)
treefe72ab19cd4b5b35d214f5849f55591e3c07384e /arch/openrisc
parent8f4e4c1aef356ac4ce67caeffac29af4971fe048 (diff)
openrisc/uaccess: fix sparse errors
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 <mst@redhat.com>
Diffstat (limited to 'arch/openrisc')
-rw-r--r--arch/openrisc/include/asm/uaccess.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/openrisc/include/asm/uaccess.h b/arch/openrisc/include/asm/uaccess.h
index ab2e7a198a4c..a6bd07ca3d6c 100644
--- a/arch/openrisc/include/asm/uaccess.h
+++ b/arch/openrisc/include/asm/uaccess.h
@@ -192,7 +192,7 @@ struct __large_struct {
192({ \ 192({ \
193 long __gu_err, __gu_val; \ 193 long __gu_err, __gu_val; \
194 __get_user_size(__gu_val, (ptr), (size), __gu_err); \ 194 __get_user_size(__gu_val, (ptr), (size), __gu_err); \
195 (x) = (__typeof__(*(ptr)))__gu_val; \ 195 (x) = (__force __typeof__(*(ptr)))__gu_val; \
196 __gu_err; \ 196 __gu_err; \
197}) 197})
198 198
@@ -202,7 +202,7 @@ struct __large_struct {
202 const __typeof__(*(ptr)) * __gu_addr = (ptr); \ 202 const __typeof__(*(ptr)) * __gu_addr = (ptr); \
203 if (access_ok(VERIFY_READ, __gu_addr, size)) \ 203 if (access_ok(VERIFY_READ, __gu_addr, size)) \
204 __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \ 204 __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \
205 (x) = (__typeof__(*(ptr)))__gu_val; \ 205 (x) = (__force __typeof__(*(ptr)))__gu_val; \
206 __gu_err; \ 206 __gu_err; \
207}) 207})
208 208