A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-28 18:51:56 -04:00
Code Issues Projects Releases Packages Wiki Activity

lib: Fix atomic64_add_unless return value convention

Browse source 
atomic64_add_unless must return 1 if it perfomed the add and 0 otherwise.
The generic implementation did the opposite thing.

Reported-by: H. Peter Anvin <[email protected]>
Confirmed-by: Paul Mackerras <[email protected]>
Signed-off-by: Luca Barbieri <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: H. Peter Anvin <[email protected]>
This commit is contained in:
Luca Barbieri 2010-03-01 19:55:47 +01:00 • committed by H. Peter Anvin
commit 97577896f6
1 changed files with 2 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

4
lib/atomic64.c
View file

@ -162,12 +162,12 @@ int atomic64_add_unless(atomic64_t *v, long long a, long long u)
{
unsigned long flags;
spinlock_t *lock = lock_addr(v);
int ret = 1;
int ret = 0;
spin_lock_irqsave(lock, flags);
if (v->counter != u) {
v->counter += a;
ret = 0;
ret = 1;
}
spin_unlock_irqrestore(lock, flags);
return ret;