diff mbox

[v2,1/2] stm: the number of masters should be (sw_end - sw_start + 1)

Message ID 1449830880-15319-2-git-send-email-zhang.chunyan@linaro.org
State New
Headers show

Commit Message

Chunyan Zhang Dec. 11, 2015, 10:47 a.m. UTC
sw_end represents the last software master, sw_start is index of the
first master, so the number of software masters should be
sw_end - sw_start + 1.

Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>

---
 drivers/hwtracing/stm/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
1.9.1

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diff mbox

Patch

diff --git a/drivers/hwtracing/stm/core.c b/drivers/hwtracing/stm/core.c
index 7f7bdb3..cb676f2 100644
--- a/drivers/hwtracing/stm/core.c
+++ b/drivers/hwtracing/stm/core.c
@@ -632,7 +632,7 @@  int stm_register_device(struct device *parent, struct stm_data *stm_data,
 	if (!stm_data->packet || !stm_data->sw_nchannels)
 		return -EINVAL;
 
-	nmasters = stm_data->sw_end - stm_data->sw_start;
+	nmasters = stm_data->sw_end - stm_data->sw_start + 1;
 	stm = kzalloc(sizeof(*stm) + nmasters * sizeof(void *), GFP_KERNEL);
 	if (!stm)
 		return -ENOMEM;