perf/x86/intel/pt: Kill an unused variable

Currently, there's a set-but-not-used variable in setup_topa_index();
this patch gets rid of it. And while at it, fixes a style issue with
brackets around a one-line block.

Signed-off-by: Alexander Shishkin <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Link: http://lkml.kernel.org/r/1429622177-22843-2-git-send-email-alexander.shishkin@linux.intel.com
Signed-off-by: Ingo Molnar <[email protected]>

diff --git a/arch/x86/kernel/cpu/perf_event_intel_pt.c b/arch/x86/kernel/cpu/perf_event_intel_pt.c
index 5b804f96ad66c5639c4fc62a4cb9fdaa2f00a744..8a4595650d6ed6308711efcb5cdc150df47ad6b5 100644 (file)
--- a/arch/x86/kernel/cpu/perf_event_intel_pt.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_pt.c
@@ -674,7 +674,7 @@ static void pt_buffer_setup_topa_index(struct pt_buffer *buf)
        struct topa *cur = buf->first, *prev = buf->last;
        struct topa_entry *te_cur = TOPA_ENTRY(cur, 0),
                *te_prev = TOPA_ENTRY(prev, prev->last - 1);
-       int pg = 0, idx = 0, ntopa = 0;
+       int pg = 0, idx = 0;
 
        while (pg < buf->nr_pages) {
                int tidx;
@@ -689,9 +689,9 @@ static void pt_buffer_setup_topa_index(struct pt_buffer *buf)
                        /* advance to next topa table */
                        idx = 0;
                        cur = list_entry(cur->list.next, struct topa, list);
-                       ntopa++;
-               } else
+               } else {
                        idx++;
+               }
                te_cur = TOPA_ENTRY(cur, idx);
        }