From: Michael S. Tsirkin Date: Thu, 11 Dec 2014 23:56:04 +0000 (+0200) Subject: x86/uaccess: fix sparse errors X-Git-Tag: v4.0-rc1~42^2^2~36 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=e182c570e9953859aee5cb016583217d9e68ea18;p=linux.git x86/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 Acked-by: Thomas Gleixner --- diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index 0d592e0a5b84..ace9dec050b1 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -179,7 +179,7 @@ __typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL)) asm volatile("call __get_user_%P3" \ : "=a" (__ret_gu), "=r" (__val_gu) \ : "0" (ptr), "i" (sizeof(*(ptr)))); \ - (x) = (__typeof__(*(ptr))) __val_gu; \ + (x) = (__force __typeof__(*(ptr))) __val_gu; \ __ret_gu; \ })