Linux-libre 4.3.2-gnu

2 files changed, 13 insertions, 15 deletions

diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index d90893b76..b0382f3f1 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -53,7 +53,7 @@ struct cpu_hw_events {
 
 	/* BHRB bits */
 	u64				bhrb_filter;	/* BHRB HW branch filter */
-	int				bhrb_users;
+	unsigned int			bhrb_users;
 	void				*bhrb_context;
 	struct	perf_branch_stack	bhrb_stack;
 	struct	perf_branch_entry	bhrb_entries[BHRB_MAX_ENTRIES];
@@ -369,8 +369,8 @@ static void power_pmu_bhrb_disable(struct perf_event *event)
 	if (!ppmu->bhrb_nr)
 		return;
 
+	WARN_ON_ONCE(!cpuhw->bhrb_users);
 	cpuhw->bhrb_users--;
-	WARN_ON_ONCE(cpuhw->bhrb_users < 0);
 	perf_sched_cb_dec(event->ctx->pmu);
 
 	if (!cpuhw->disabled && !cpuhw->bhrb_users) {
diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c
index df956295c..527c8b98e 100644
--- a/arch/powerpc/perf/hv-24x7.c
+++ b/arch/powerpc/perf/hv-24x7.c
@@ -416,7 +416,7 @@ out_val:
 }
 
 static struct attribute *event_to_desc_attr(struct hv_24x7_event_data *event,
-				int nonce)
+					    int nonce)
 {
 	int nl, dl;
 	char *name = event_name(event, &nl);
@@ -444,7 +444,7 @@ event_to_long_desc_attr(struct hv_24x7_event_data *event, int nonce)
 }
 
 static ssize_t event_data_to_attrs(unsigned ix, struct attribute **attrs,
-		struct hv_24x7_event_data *event, int nonce)
+				   struct hv_24x7_event_data *event, int nonce)
 {
 	unsigned i;
 
@@ -512,7 +512,7 @@ static int memord(const void *d1, size_t s1, const void *d2, size_t s2)
 }
 
 static int ev_uniq_ord(const void *v1, size_t s1, unsigned d1, const void *v2,
-					size_t s2, unsigned d2)
+		       size_t s2, unsigned d2)
 {
 	int r = memord(v1, s1, v2, s2);
 
@@ -526,7 +526,7 @@ static int ev_uniq_ord(const void *v1, size_t s1, unsigned d1, const void *v2,
 }
 
 static int event_uniq_add(struct rb_root *root, const char *name, int nl,
-				unsigned domain)
+			  unsigned domain)
 {
 	struct rb_node **new = &(root->rb_node), *parent = NULL;
 	struct event_uniq *data;
@@ -650,8 +650,8 @@ static ssize_t catalog_event_len_validate(struct hv_24x7_event_data *event,
 #define MAX_4K (SIZE_MAX / 4096)
 
 static int create_events_from_catalog(struct attribute ***events_,
-		struct attribute ***event_descs_,
-		struct attribute ***event_long_descs_)
+				      struct attribute ***event_descs_,
+				      struct attribute ***event_long_descs_)
 {
 	unsigned long hret;
 	size_t catalog_len, catalog_page_len, event_entry_count,
@@ -1008,8 +1008,8 @@ static const struct attribute_group *attr_groups[] = {
 };
 
 static void log_24x7_hcall(struct hv_24x7_request_buffer *request_buffer,
-			struct hv_24x7_data_result_buffer *result_buffer,
-			unsigned long ret)
+			   struct hv_24x7_data_result_buffer *result_buffer,
+			   unsigned long ret)
 {
 	struct hv_24x7_request *req;
 
@@ -1026,7 +1026,7 @@ static void log_24x7_hcall(struct hv_24x7_request_buffer *request_buffer,
  * Start the process for a new H_GET_24x7_DATA hcall.
  */
 static void init_24x7_request(struct hv_24x7_request_buffer *request_buffer,
-			struct hv_24x7_data_result_buffer *result_buffer)
+			      struct hv_24x7_data_result_buffer *result_buffer)
 {
 
 	memset(request_buffer, 0, 4096);
@@ -1041,7 +1041,7 @@ static void init_24x7_request(struct hv_24x7_request_buffer *request_buffer,
  * by 'init_24x7_request()' and 'add_event_to_24x7_request()'.
  */
 static int make_24x7_request(struct hv_24x7_request_buffer *request_buffer,
-			struct hv_24x7_data_result_buffer *result_buffer)
+			     struct hv_24x7_data_result_buffer *result_buffer)
 {
 	unsigned long ret;
 
@@ -1104,7 +1104,6 @@ static unsigned long single_24x7_request(struct perf_event *event, u64 *count)
 	unsigned long ret;
 	struct hv_24x7_request_buffer *request_buffer;
 	struct hv_24x7_data_result_buffer *result_buffer;
-	struct hv_24x7_result *resb;
 
 	BUILD_BUG_ON(sizeof(*request_buffer) > 4096);
 	BUILD_BUG_ON(sizeof(*result_buffer) > 4096);
@@ -1125,8 +1124,7 @@ static unsigned long single_24x7_request(struct perf_event *event, u64 *count)
 	}
 
 	/* process result from hcall */
-	resb = &result_buffer->results[0];
-	*count = be64_to_cpu(resb->elements[0].element_data[0]);
+	*count = be64_to_cpu(result_buffer->results[0].elements[0].element_data[0]);
 
 out:
 	put_cpu_var(hv_24x7_reqb);