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| author | Michael S. Tsirkin <mst@redhat.com> | 2014-12-12 01:56:04 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2015-01-13 15:23:26 +0200 |
| commit | 1d638efce8cc77c1ec838886e9a64f98aa58b780 (patch) | |
| tree | 6051e6d5445e3cece947b31cfeadab1efcce85c3 | |
| parent | 9b7accb286982e0df140b3accae8216656b3ef37 (diff) | |
| download | linux-1d638efce8cc77c1ec838886e9a64f98aa58b780.tar.gz linux-1d638efce8cc77c1ec838886e9a64f98aa58b780.tar.bz2 linux-1d638efce8cc77c1ec838886e9a64f98aa58b780.zip | |
sparc64/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>
Acked-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | arch/sparc/include/asm/uaccess_64.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h index c990a5e577f0..b80866d90768 100644 --- a/arch/sparc/include/asm/uaccess_64.h +++ b/arch/sparc/include/asm/uaccess_64.h @@ -145,7 +145,7 @@ case 2: __get_user_asm(__gu_val,uh,addr,__gu_ret); break; \ case 4: __get_user_asm(__gu_val,uw,addr,__gu_ret); break; \ case 8: __get_user_asm(__gu_val,x,addr,__gu_ret); break; \ default: __gu_val = 0; __gu_ret = __get_user_bad(); break; \ -} data = (type) __gu_val; __gu_ret; }) +} data = (__force type) __gu_val; __gu_ret; }) #define __get_user_nocheck_ret(data,addr,size,type,retval) ({ \ register unsigned long __gu_val __asm__ ("l1"); \ @@ -155,7 +155,7 @@ case 2: __get_user_asm_ret(__gu_val,uh,addr,retval); break; \ case 4: __get_user_asm_ret(__gu_val,uw,addr,retval); break; \ case 8: __get_user_asm_ret(__gu_val,x,addr,retval); break; \ default: if (__get_user_bad()) return retval; \ -} data = (type) __gu_val; }) +} data = (__force type) __gu_val; }) #define __get_user_asm(x,size,addr,ret) \ __asm__ __volatile__( \ |