[DragonFlyBSD - Bug #2737] (New) i386 drm_bufs.c:259:2 '%lx' offset type 'resource_size_t'

bugtracker-admin at leaf.dragonflybsd.org bugtracker-admin at leaf.dragonflybsd.org
Tue Nov 18 08:19:09 PST 2014

Issue #2737 has been reported by davshao.

Bug #2737: i386 drm_bufs.c:259:2 '%lx' offset type 'resource_size_t'

* Author: davshao
* Status: New
* Priority: Normal
* Assignee: 
* Category: 
* Target version: 
i386 GENERIC kernel compilation fails with

/usr/src/sys/dev/drm/drm/../drm_bufs.c: In function 'drm_addmap':
/usr/src/sys/dev/drm/drm/../drm_bufs.c:259:2: error: format '%lx' expects argument of type 'long unsigned int', but argument 5 has type 'resource_size_t' [-Werror=format]
cc1: all warnings being treated as errors

Argument offset is type resource_size_t which appears to be vm_paddr_t and thus __unit64_t.

A patch similar to the below fixes compilation problems on i386:

diff --git a/sys/dev/drm/drm_bufs.c b/sys/dev/drm/drm_bufs.c
index 575dbcf..7c66ea8 100644
--- a/sys/dev/drm/drm_bufs.c
+++ b/sys/dev/drm/drm_bufs.c
@@ -256,7 +256,7 @@ int drm_addmap(struct drm_device * dev, resource_size_t offset,
        /* Jumped to, with lock held, when a kernel map is found. */

-       DRM_DEBUG("Added map %d 0x%lx/0x%lx\n", map->type, map->offset,
+       DRM_DEBUG("Added map %d 0x%lx/0x%lx\n", map->type, (unsigned long)map->offset,

        *map_ptr = map;

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