* [PATCH] intel tracing: consistency and off-by-one fix
@ 2019-07-24 9:58 Pavel Machek
0 siblings, 0 replies; only message in thread
From: Pavel Machek @ 2019-07-24 9:58 UTC (permalink / raw)
To: alexander.shishkin, linux-kernel, Andrew Morton
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Consistently use "< ... +1" in for loops.
Fix of-by-one in for_each_set_bit().
Signed-off-by: Pavel Machek <pavel@denx.de>
diff --git a/drivers/hwtracing/intel_th/gth.c b/drivers/hwtracing/intel_th/gth.c
index fa9d34a..11bc89c 100644
--- a/drivers/hwtracing/intel_th/gth.c
+++ b/drivers/hwtracing/intel_th/gth.c
@@ -543,7 +543,7 @@ static void intel_th_gth_disable(struct intel_th_device *thdev,
output->active = false;
for_each_set_bit(master, gth->output[output->port].master,
- TH_CONFIGURABLE_MASTERS) {
+ TH_CONFIGURABLE_MASTERS + 1) {
gth_master_set(gth, master, -1);
}
spin_unlock(>h->gth_lock);
@@ -694,7 +694,7 @@ static void intel_th_gth_unassign(struct intel_th_device *thdev,
othdev->output.port = -1;
othdev->output.active = false;
gth->output[port].output = NULL;
- for (master = 0; master <= TH_CONFIGURABLE_MASTERS; master++)
+ for (master = 0; master < TH_CONFIGURABLE_MASTERS + 1; master++)
if (gth->master[master] == port)
gth->master[master] = -1;
spin_unlock(>h->gth_lock);
--
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2019-07-24 9:58 [PATCH] intel tracing: consistency and off-by-one fix Pavel Machek
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