[PATCH 13/16] driver/staging/android: Use rlimit_to_nice to replace opened code implementation.

[Dongsheng Yang]

There is a macro rlimit_to_nice in linux/sched/prio.h to convert priority in rlimit
to nice value.

This patch replace the opened implementation with rlimit_to_nice.

Signed-off-by: Dongsheng Yang <yangds.fnst@xxxxxxxxxxxxxx>
cc: devel@xxxxxxxxxxxxxxxxxxxx
cc: Masanari Iida <standby24x7@xxxxxxxxx>
cc: Bojan Prtvar <prtvar.b@xxxxxxxxx>
cc: Serban Constantinescu <serban.constantinescu@xxxxxxx>
Signed-off-by: Dongsheng Yang <yangds.fnst@xxxxxxxxxxxxxx>
---
 drivers/staging/android/binder.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c
index 1432d95..19e844b 100644
--- a/drivers/staging/android/binder.c
+++ b/drivers/staging/android/binder.c
@@ -436,12 +436,12 @@ static void binder_set_nice(long nice)
 		set_user_nice(current, nice);
 		return;
 	}
-	min_nice = 20 - current->signal->rlim[RLIMIT_NICE].rlim_cur;
+	min_nice = rlimit_to_nice(current->signal->rlim[RLIMIT_NICE].rlim_cur);
 	binder_debug(BINDER_DEBUG_PRIORITY_CAP,
 		     "%d: nice value %ld not allowed use %ld instead\n",
 		      current->pid, nice, min_nice);
 	set_user_nice(current, min_nice);
-	if (min_nice < 20)
+	if (min_nice <= MAX_NICE)
 		return;
 	binder_user_error("%d RLIMIT_NICE not set\n", current->pid);
 }
-- 
1.8.2.1

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