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* [PATCH] Bluetooth: Fix compiler warning with selftest duration calculation
@ 2017-10-06 18:42 Marcel Holtmann
  2017-10-07  6:45 ` Johan Hedberg
  0 siblings, 1 reply; 2+ messages in thread
From: Marcel Holtmann @ 2017-10-06 18:42 UTC (permalink / raw)
  To: linux-bluetooth

  CC      net/bluetooth/selftest.o
net/bluetooth/selftest.c: In function ‘bt_selftest_init’:
net/bluetooth/selftest.c:246:3: warning: ‘duration’ may be used uninitialized in this function [-Wmaybe-uninitialized]
   snprintf(test_ecdh_buffer, sizeof(test_ecdh_buffer),
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     "PASS (%llu usecs)\n", duration);
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
net/bluetooth/selftest.c:203:21: note: ‘duration’ was declared here
  unsigned long long duration;
                     ^~~~~~~~

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 net/bluetooth/selftest.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bluetooth/selftest.c b/net/bluetooth/selftest.c
index 2d1519d0affa..03e3c89c3046 100644
--- a/net/bluetooth/selftest.c
+++ b/net/bluetooth/selftest.c
@@ -200,7 +200,7 @@ static int __init test_ecdh(void)
 {
 	struct crypto_kpp *tfm;
 	ktime_t calltime, delta, rettime;
-	unsigned long long duration;
+	unsigned long long duration = 0;
 	int err;
 
 	calltime = ktime_get();
-- 
2.13.6


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] Bluetooth: Fix compiler warning with selftest duration calculation
  2017-10-06 18:42 [PATCH] Bluetooth: Fix compiler warning with selftest duration calculation Marcel Holtmann
@ 2017-10-07  6:45 ` Johan Hedberg
  0 siblings, 0 replies; 2+ messages in thread
From: Johan Hedberg @ 2017-10-07  6:45 UTC (permalink / raw)
  To: Marcel Holtmann; +Cc: linux-bluetooth

Hi Marcel,

On Fri, Oct 06, 2017, Marcel Holtmann wrote:
>   CC      net/bluetooth/selftest.o
> net/bluetooth/selftest.c: In function ‘bt_selftest_init’:
> net/bluetooth/selftest.c:246:3: warning: ‘duration’ may be used uninitialized in this function [-Wmaybe-uninitialized]
>    snprintf(test_ecdh_buffer, sizeof(test_ecdh_buffer),
>    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>      "PASS (%llu usecs)\n", duration);
>      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> net/bluetooth/selftest.c:203:21: note: ‘duration’ was declared here
>   unsigned long long duration;
>                      ^~~~~~~~
> 
> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
> ---
>  net/bluetooth/selftest.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied to bluetooth-next. Thanks.

Johan

^ permalink raw reply	[flat|nested] 2+ messages in thread

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