A drm_handle_t can be safely converted to a pointer and back even on a
64bit platform (where the size is not the same).
Signed-off-by: Luca Tettamanti <kronos...@gmail.com>
---
I looked at the kernel part of the ioctl and it seems that the handle is
always a 32bit quantity, but please double check this patch :)
xf86drm.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/xf86drm.c b/xf86drm.c
index 220aaa1..fcaf3f5 100644
--- a/xf86drm.c
+++ b/xf86drm.c
@@ -959,7 +959,7 @@ int drmAddMap(int fd, drm_handle_t offset, drmSize size,
drmMapType type,
if (drmIoctl(fd, DRM_IOCTL_ADD_MAP, &map))
return -errno;
if (handle)
- *handle = (drm_handle_t)map.handle;
+ *handle = (drm_handle_t)(unsigned long)map.handle;
return 0;
}
@@ -967,7 +967,7 @@ int drmRmMap(int fd, drm_handle_t handle)
{
drm_map_t map;
- map.handle = (void *)handle;
+ map.handle = (void *)(unsigned long)handle;
if(drmIoctl(fd, DRM_IOCTL_RM_MAP, &map))
return -errno;
@@ -2103,7 +2103,7 @@ int drmAddContextPrivateMapping(int fd, drm_context_t
ctx_id,
drm_ctx_priv_map_t map;
map.ctx_id = ctx_id;
- map.handle = (void *)handle;
+ map.handle = (void *)(unsigned long)handle;
if (drmIoctl(fd, DRM_IOCTL_SET_SAREA_CTX, &map))
return -errno;
@@ -2120,7 +2120,7 @@ int drmGetContextPrivateMapping(int fd, drm_context_t
ctx_id,
if (drmIoctl(fd, DRM_IOCTL_GET_SAREA_CTX, &map))
return -errno;
if (handle)
- *handle = (drm_handle_t)map.handle;
+ *handle = (drm_handle_t)(unsigned long)map.handle;
return 0;
}
Luca
--
La mia opinione puo` essere cambiata, ma non il fatto che ho ragione.
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