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authorIngo Molnar <mingo@elte.hu>2009-07-03 20:11:30 +0200
committerIngo Molnar <mingo@elte.hu>2009-07-03 21:15:08 +0200
commitddf9a003d32f720805ac30bcc15755e9289073de (patch)
treed0281a0f66eee98bcf05a7038d2b0f2008809550 /arch/x86
parentx86: atomic64: Improve atomic64_xchg() (diff)
downloadlinux-ddf9a003d32f720805ac30bcc15755e9289073de.tar.xz
linux-ddf9a003d32f720805ac30bcc15755e9289073de.zip
x86: atomic64: Clean up atomic64_sub_and_test() and atomic64_add_negative()
Linus noticed that the variable name 'old_val' is confusingly named in these functions - the correct naming is 'new_val'. Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: David Howells <dhowells@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Arnd Bergmann <arnd@arndb.de> LKML-Reference: <alpine.LFD.2.01.0907030942260.3210@localhost.localdomain> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/lib/atomic64_32.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/lib/atomic64_32.c b/arch/x86/lib/atomic64_32.c
index a804f96e90e2..1d98c9eb6eac 100644
--- a/arch/x86/lib/atomic64_32.c
+++ b/arch/x86/lib/atomic64_32.c
@@ -175,9 +175,9 @@ EXPORT_SYMBOL(atomic64_sub);
*/
int atomic64_sub_and_test(u64 delta, atomic64_t *ptr)
{
- u64 old_val = atomic64_sub_return(delta, ptr);
+ u64 new_val = atomic64_sub_return(delta, ptr);
- return old_val == 0;
+ return new_val == 0;
}
EXPORT_SYMBOL(atomic64_sub_and_test);
@@ -244,8 +244,8 @@ EXPORT_SYMBOL(atomic64_inc_and_test);
*/
int atomic64_add_negative(u64 delta, atomic64_t *ptr)
{
- long long old_val = atomic64_add_return(delta, ptr);
+ s64 new_val = atomic64_add_return(delta, ptr);
- return old_val < 0;
+ return new_val < 0;
}
EXPORT_SYMBOL(atomic64_add_negative);