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Subject: media: dvb_frontend.h: Fix shifting signed 32-bit value problem
Author: Luke Nowakowski-Krijger <lnowa...@eng.ucsd.edu>
Date: Thu Jul 4 17:58:12 2019 -0300
Fix DVBFE_ALGO_RECOVERY and DVBFE_ALGO_SEARCH_ERROR use BIT macro which
fixes undefined behavior error by certain compilers.
Also changed all other bit shifted definitions to use macro for better
readability.
Signed-off-by: Luke Nowakowski-Krijger <lnowa...@eng.ucsd.edu>
Signed-off-by: Sean Young <s...@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+sams...@kernel.org>
include/media/dvb_frontend.h | 21 +++++++++++----------
1 file changed, 11 insertions(+), 10 deletions(-)
---
diff --git a/include/media/dvb_frontend.h b/include/media/dvb_frontend.h
index f05cd7b94a2c..0d76fa4551b3 100644
--- a/include/media/dvb_frontend.h
+++ b/include/media/dvb_frontend.h
@@ -41,6 +41,7 @@
#include <linux/delay.h>
#include <linux/mutex.h>
#include <linux/slab.h>
+#include <linux/bitops.h>
#include <linux/dvb/frontend.h>
@@ -141,10 +142,10 @@ struct analog_parameters {
* These devices have AUTO recovery capabilities from LOCK failure
*/
enum dvbfe_algo {
- DVBFE_ALGO_HW = (1 << 0),
- DVBFE_ALGO_SW = (1 << 1),
- DVBFE_ALGO_CUSTOM = (1 << 2),
- DVBFE_ALGO_RECOVERY = (1 << 31)
+ DVBFE_ALGO_HW = BIT(0),
+ DVBFE_ALGO_SW = BIT(1),
+ DVBFE_ALGO_CUSTOM = BIT(2),
+ DVBFE_ALGO_RECOVERY = BIT(31),
};
/**
@@ -170,12 +171,12 @@ enum dvbfe_algo {
* The frontend search algorithm was requested to search again
*/
enum dvbfe_search {
- DVBFE_ALGO_SEARCH_SUCCESS = (1 << 0),
- DVBFE_ALGO_SEARCH_ASLEEP = (1 << 1),
- DVBFE_ALGO_SEARCH_FAILED = (1 << 2),
- DVBFE_ALGO_SEARCH_INVALID = (1 << 3),
- DVBFE_ALGO_SEARCH_AGAIN = (1 << 4),
- DVBFE_ALGO_SEARCH_ERROR = (1 << 31),
+ DVBFE_ALGO_SEARCH_SUCCESS = BIT(0),
+ DVBFE_ALGO_SEARCH_ASLEEP = BIT(1),
+ DVBFE_ALGO_SEARCH_FAILED = BIT(2),
+ DVBFE_ALGO_SEARCH_INVALID = BIT(3),
+ DVBFE_ALGO_SEARCH_AGAIN = BIT(4),
+ DVBFE_ALGO_SEARCH_ERROR = BIT(31),
};
/**
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