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authorJosé Fonseca <jfonseca@vmware.com>2010-04-24 10:15:09 +0100
committerJosé Fonseca <jfonseca@vmware.com>2010-04-24 10:15:09 +0100
commit94b04d3d1ccd1b717dbc9d797341f1170121645a (patch)
tree679b75396c9fa298dc1c3ed33781b9f81a5cddbf /src/gallium/winsys
parent35a920e83b2e85f1180d9c0a752ef917f2e08416 (diff)
sw/xlib: Fix bad logic in shm allocation.
Fixes fdo 27823.
Diffstat (limited to 'src/gallium/winsys')
-rw-r--r--src/gallium/winsys/sw/xlib/xlib_sw_winsys.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/src/gallium/winsys/sw/xlib/xlib_sw_winsys.c b/src/gallium/winsys/sw/xlib/xlib_sw_winsys.c
index 7df74164d0..56d2df825d 100644
--- a/src/gallium/winsys/sw/xlib/xlib_sw_winsys.c
+++ b/src/gallium/winsys/sw/xlib/xlib_sw_winsys.c
@@ -124,6 +124,9 @@ static char *alloc_shm(struct xm_displaytarget *buf, unsigned size)
{
XShmSegmentInfo *const shminfo = & buf->shminfo;
+ shminfo->shmid = -1;
+ shminfo->shmaddr = (char *) -1;
+
shminfo->shmid = shmget(IPC_PRIVATE, size, IPC_CREAT|0777);
if (shminfo->shmid < 0) {
return NULL;
@@ -385,12 +388,9 @@ xm_displaytarget_create(struct sw_winsys *winsys,
xm_dt->stride = align(util_format_get_stride(format, width), alignment);
size = xm_dt->stride * nblocksy;
- if (!debug_get_option_xlib_no_shm())
- {
+ if (!debug_get_option_xlib_no_shm()) {
xm_dt->data = alloc_shm(xm_dt, size);
- if(!xm_dt->data) {
- xm_dt->shminfo.shmid = -1;
- xm_dt->shminfo.shmaddr = (char *) -1;
+ if (xm_dt->data) {
xm_dt->shm = TRUE;
}
}