Commit 51a9a828 authored Sep 18, 2017 by Colin Ian King Committed by Boris Ostrovsky Sep 21, 2017

x86/xen: clean up clang build warning



In the case where sizeof(maddr) != sizeof(long) p is initialized and
never read and clang throws a warning on this.  Move declaration of
p to clean up the clang build warning:

warning: Value stored to 'p' during its initialization is never read

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

parent 2bd6bf03

arch/x86/include/asm/xen/hypercall.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -552,13 +552,13 @@ static inline void
		MULTI_update_descriptor(struct multicall_entry *mcl, u64 maddr,
		struct desc_struct desc)
		{
		u32 p = (u32 ) &desc;

		mcl->op = __HYPERVISOR_update_descriptor;
		if (sizeof(maddr) == sizeof(long)) {
		mcl->args[0] = maddr;
		mcl->args[1] = (unsigned long )&desc;
		} else {
		u32 p = (u32 )&desc;

		mcl->args[0] = maddr;
		mcl->args[1] = maddr >> 32;
		mcl->args[2] = *p++;

Admin message