[vlc-commits] v4l2: fix mmap() call

[Rémi Denis-Courmont]

vlc | branch: master | Rémi Denis-Courmont <remi at remlab.net> | Mon Apr 16 18:36:25 2012 +0300| [329351de5e19e5548bfb2303ef93cbb6852e2665] | committer: Rémi Denis-Courmont

v4l2: fix mmap() call

Shared anonymous mapping did not make much sense.

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=329351de5e19e5548bfb2303ef93cbb6852e2665
---

 modules/access/v4l2/demux.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/modules/access/v4l2/demux.c b/modules/access/v4l2/demux.c
index 889a949..bee8c67 100644
--- a/modules/access/v4l2/demux.c
+++ b/modules/access/v4l2/demux.c
@@ -504,7 +504,7 @@ void DemuxClose( vlc_object_t *obj )
 static block_t *UserPtrQueue (vlc_object_t *obj, int fd, size_t length)
 {
     void *ptr = mmap (NULL, length, PROT_READ | PROT_WRITE,
-                      MAP_SHARED | MAP_ANONYMOUS, -1, 0);
+                      MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
     if (ptr == MAP_FAILED)
     {
         msg_Err (obj, "cannot allocate %zu-bytes buffer: %m", length);