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path: root/drivers/hwtracing/coresight/coresight-tmc-etr.c
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Diffstat (limited to 'drivers/hwtracing/coresight/coresight-tmc-etr.c')
-rw-r--r--drivers/hwtracing/coresight/coresight-tmc-etr.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c
index 0000d0c6068f..b9cd1f955552 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etr.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c
@@ -47,7 +47,8 @@ struct etr_perf_buffer {
};
/* Convert the perf index to an offset within the ETR buffer */
-#define PERF_IDX2OFF(idx, buf) ((idx) % ((buf)->nr_pages << PAGE_SHIFT))
+#define PERF_IDX2OFF(idx, buf) \
+ ((idx) % ((unsigned long)(buf)->nr_pages << PAGE_SHIFT))
/* Lower limit for ETR hardware buffer */
#define TMC_ETR_PERF_MIN_BUF_SIZE SZ_1M
@@ -1232,7 +1233,7 @@ alloc_etr_buf(struct tmc_drvdata *drvdata, struct perf_event *event,
* than the size requested via sysfs.
*/
if ((nr_pages << PAGE_SHIFT) > drvdata->size) {
- etr_buf = tmc_alloc_etr_buf(drvdata, (nr_pages << PAGE_SHIFT),
+ etr_buf = tmc_alloc_etr_buf(drvdata, ((ssize_t)nr_pages << PAGE_SHIFT),
0, node, NULL);
if (!IS_ERR(etr_buf))
goto done;