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Bluetooth: Improve RFCOMM __test_pf macro robustness

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Value returned by this macro might be used as bit value so it should
return either 0 or 1 to avoid possible bugs (similar to NSC bug)
when shifting it.

Signed-off-by: Szymon Janc <szymon.janc@tieto.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Szymon Janc 2014-10-13 11:43:54 +02:00 committed by Marcel Holtmann
parent ec511545ef
commit 15346a9c28
1 changed files with 1 additions and 1 deletions
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net/bluetooth/rfcomm/core.c
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@ -79,7 +79,7 @@ static struct rfcomm_session *rfcomm_session_del(struct rfcomm_session *s);
#define __test_ea(b) ((b & 0x01))
#define __test_cr(b) (!!(b & 0x02))
#define __test_pf(b) ((b & 0x10))
#define __test_pf(b) (!!(b & 0x10))
#define __addr(cr, dlci) (((dlci & 0x3f) << 2) | (cr << 1) | 0x01)
#define __ctrl(type, pf) (((type & 0xef) | (pf << 4)))