diff mbox

[21/39] ivshmem: use common is_power_of_2()

Message ID 1435330185-23248-22-git-send-email-marcandre.lureau@gmail.com
State New
Headers show

Commit Message

Marc-André Lureau June 26, 2015, 2:49 p.m. UTC 
The common version correctly checks for 0 value case.

Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com>
---
 hw/misc/ivshmem.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)
diff mbox

Patch

diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index 8fcdd60..34da11a 100644
--- a/hw/misc/ivshmem.c
+++ b/hw/misc/ivshmem.c
@@ -117,10 +117,6 @@  static inline uint32_t ivshmem_has_feature(IVShmemState *ivs,
     return (ivs->features & (1 << feature));
 }
 
-static inline bool is_power_of_two(uint64_t x) {
-    return (x & (x - 1)) == 0;
-}
-
 /* accessing registers - based on rtl8139 */
 static void ivshmem_update_irq(IVShmemState *s)
 {
@@ -631,7 +627,7 @@  static uint64_t ivshmem_get_size(IVShmemState * s, Error **errp) {
     }
 
     /* BARs must be a power of 2 */
-    if (!is_power_of_two(value)) {
+    if (!is_power_of_2(value)) {
         error_setg(errp, "size must be power of 2");
         return 0;
     }