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| author | Luke Nowakowski-Krijger <lnowakow@eng.ucsd.edu> | 2019-07-04 23:58:12 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-08-14 11:04:08 +0300 |
| commit | 5532c6282787124a7fd778d779d19148ae87479e (patch) | |
| tree | 08c930ee9c9538d0a866aea772b65cedaf25af21 /include/media | |
| parent | f6af820ef1be58c2e4b81aa479b9f109eb6344ce (diff) | |
| download | linux-5532c6282787124a7fd778d779d19148ae87479e.tar.xz | |
media: dvb_frontend.h: Fix shifting signed 32-bit value problem
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 <lnowakow@eng.ucsd.edu>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/dvb_frontend.h | 21 |
1 files 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), }; /** |