@@ -780,7 +780,10 @@ static int __msc_buffer_win_alloc(struct msc_window *win,
static int msc_buffer_win_alloc(struct msc *msc, unsigned int nr_blocks)
{
struct msc_window *win;
- int ret = -ENOMEM, i;
+ int ret = -ENOMEM;
+#ifdef CONFIG_X86
+ int i;
+#endif
if (!nr_blocks)
return 0;
@@ -860,7 +863,9 @@ static void __msc_buffer_win_free(struct msc *msc, struct msc_window *win)
*/
static void msc_buffer_win_free(struct msc *msc, struct msc_window *win)
{
+#ifdef CONFIG_X86
int i;
+#endif
msc->nr_pages -= win->nr_blocks;
On non-x86 builds, we now get a harmless warning: drivers/hwtracing/intel_th/msu.c:783:21: error: unused variable 'i' [-Werror,-Wunused-variable] int ret = -ENOMEM, i; ^ drivers/hwtracing/intel_th/msu.c:863:6: error: unused variable 'i' [-Werror,-Wunused-variable] int i; ^ Add the matching #ifdef. Fixes: ba39bd830605 ("intel_th: msu: Switch over to scatterlist") Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- drivers/hwtracing/intel_th/msu.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) -- 2.20.0