[libvirt] [PATCH] virfile: safezero: fix buffer allocation max size

2013-10-04 Thread Oskari Saarenmaa
My previous commit 7dc1d4ab was supposed to change safezero to allocate
1 megabyte at maximum, but had the logic reversed and will allocate 1
megabyte at minimum (and a lot more at maximum.)

Signed-off-by: Oskari Saarenmaa o...@ohmu.fi
---
 src/util/virfile.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/util/virfile.c b/src/util/virfile.c
index f662127..e10de5a 100644
--- a/src/util/virfile.c
+++ b/src/util/virfile.c
@@ -1075,7 +1075,7 @@ safezero(int fd, off_t offset, off_t len)
 
 /* Split up the write in small chunks so as not to allocate lots of RAM */
 remain = len;
-bytes = MAX(1024 * 1024, len);
+bytes = MIN(1024 * 1024, len);
 
 r = VIR_ALLOC_N(buf, bytes);
 if (r  0) {
-- 
1.8.3.1

--
libvir-list mailing list
libvir-list@redhat.com
https://www.redhat.com/mailman/listinfo/libvir-list


Re: [libvirt] [PATCH] virfile: safezero: fix buffer allocation max size

2013-10-04 Thread Michal Privoznik
On 04.10.2013 15:49, Oskari Saarenmaa wrote:
 My previous commit 7dc1d4ab was supposed to change safezero to allocate
 1 megabyte at maximum, but had the logic reversed and will allocate 1
 megabyte at minimum (and a lot more at maximum.)
 
 Signed-off-by: Oskari Saarenmaa o...@ohmu.fi
 ---
  src/util/virfile.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/src/util/virfile.c b/src/util/virfile.c
 index f662127..e10de5a 100644
 --- a/src/util/virfile.c
 +++ b/src/util/virfile.c
 @@ -1075,7 +1075,7 @@ safezero(int fd, off_t offset, off_t len)
  
  /* Split up the write in small chunks so as not to allocate lots of RAM 
 */
  remain = len;
 -bytes = MAX(1024 * 1024, len);
 +bytes = MIN(1024 * 1024, len);
  
  r = VIR_ALLOC_N(buf, bytes);
  if (r  0) {
 

Ooops. ACKed and pushed. Meanwhile I'm gonna hide someplace to be alone
with shame :)

Michal

--
libvir-list mailing list
libvir-list@redhat.com
https://www.redhat.com/mailman/listinfo/libvir-list