Messages in this thread Patch in this message | | | From | Chunyan Zhang <> | Subject | [PATCH v2 1/2] stm: the number of masters should be (sw_end - sw_start + 1) | Date | Fri, 11 Dec 2015 18:47:59 +0800 |
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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(-)
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; -- 1.9.1
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