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Diffstat (limited to 'arch/powerpc/perf/hv-24x7.c')
-rw-r--r--arch/powerpc/perf/hv-24x7.c28
1 files changed, 9 insertions, 19 deletions
diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c
index 317175791d23..e42677cc254a 100644
--- a/arch/powerpc/perf/hv-24x7.c
+++ b/arch/powerpc/perf/hv-24x7.c
@@ -425,16 +425,6 @@ static char *memdup_to_str(char *maybe_str, int max_len, gfp_t gfp)
return kasprintf(gfp, "%.*s", max_len, maybe_str);
}
-static ssize_t device_show_string(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct dev_ext_attribute *d;
-
- d = container_of(attr, struct dev_ext_attribute, attr);
-
- return sprintf(buf, "%s\n", (char *)d->var);
-}
-
static ssize_t cpumask_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -723,12 +713,12 @@ static ssize_t catalog_event_len_validate(struct hv_24x7_event_data *event,
ev_len = be16_to_cpu(event->length);
if (ev_len % 16)
- pr_info("event %zu has length %zu not divisible by 16: event=%pK\n",
+ pr_info("event %zu has length %zu not divisible by 16: event=%p\n",
event_idx, ev_len, event);
ev_end = (__u8 *)event + ev_len;
if (ev_end > end) {
- pr_warn("event %zu has .length=%zu, ends after buffer end: ev_end=%pK > end=%pK, offset=%zu\n",
+ pr_warn("event %zu has .length=%zu, ends after buffer end: ev_end=%p > end=%p, offset=%zu\n",
event_idx, ev_len, ev_end, end,
offset);
return -1;
@@ -736,14 +726,14 @@ static ssize_t catalog_event_len_validate(struct hv_24x7_event_data *event,
calc_ev_end = event_end(event, end);
if (!calc_ev_end) {
- pr_warn("event %zu has a calculated length which exceeds buffer length %zu: event=%pK end=%pK, offset=%zu\n",
+ pr_warn("event %zu has a calculated length which exceeds buffer length %zu: event=%p end=%p, offset=%zu\n",
event_idx, event_data_bytes, event, end,
offset);
return -1;
}
if (calc_ev_end > ev_end) {
- pr_warn("event %zu exceeds its own length: event=%pK, end=%pK, offset=%zu, calc_ev_end=%pK\n",
+ pr_warn("event %zu exceeds its own length: event=%p, end=%p, offset=%zu, calc_ev_end=%p\n",
event_idx, event, ev_end, offset, calc_ev_end);
return -1;
}
@@ -1008,7 +998,7 @@ e_out:
}
static ssize_t catalog_read(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr, char *buf,
+ const struct bin_attribute *bin_attr, char *buf,
loff_t offset, size_t count)
{
long hret;
@@ -1118,14 +1108,14 @@ PAGE_0_ATTR(catalog_version, "%lld\n",
(unsigned long long)be64_to_cpu(page_0->version));
PAGE_0_ATTR(catalog_len, "%lld\n",
(unsigned long long)be32_to_cpu(page_0->length) * 4096);
-static BIN_ATTR_RO(catalog, 0/* real length varies */);
+static const BIN_ATTR_RO(catalog, 0/* real length varies */);
static DEVICE_ATTR_RO(domains);
static DEVICE_ATTR_RO(sockets);
static DEVICE_ATTR_RO(chipspersocket);
static DEVICE_ATTR_RO(coresperchip);
static DEVICE_ATTR_RO(cpumask);
-static struct bin_attribute *if_bin_attrs[] = {
+static const struct bin_attribute *const if_bin_attrs[] = {
&bin_attr_catalog,
NULL,
};
@@ -1338,7 +1328,7 @@ static int get_count_from_result(struct perf_event *event,
for (i = count = 0, element_data = res->elements + data_offset;
i < num_elements;
i++, element_data += data_size + data_offset)
- count += be64_to_cpu(*((u64 *) element_data));
+ count += be64_to_cpu(*((__be64 *)element_data));
*countp = count;
@@ -1418,7 +1408,7 @@ static int h_24x7_event_init(struct perf_event *event)
}
domain = event_get_domain(event);
- if (domain >= HV_PERF_DOMAIN_MAX) {
+ if (domain == 0 || domain >= HV_PERF_DOMAIN_MAX) {
pr_devel("invalid domain %d\n", domain);
return -EINVAL;
}