patchset against 2.6.23-rc2 and this set is an audit of
/drivers/char/a*
through drivers/char .
this corrects missing ioremap return checks and balancing on
iounmap calls..
Signed-off-by: Scott Thompson <postfail <at> hushmail.com>
----------------------------------------------------------
diff --git a/drivers/char/drm/drm_bufs.c
b/drivers/char/drm/drm_bufs.c
index 923174c..448488b 100644
--- a/drivers/char/drm/drm_bufs.c
+++ b/drivers/char/drm/drm_bufs.c
@@ -177,8 +177,13 @@ static int drm_addmap_core(struct drm_device *
dev, unsigned int offset,
MTRR_TYPE_WRCOMB, 1);
}
}
- if (map->type == _DRM_REGISTERS)
+ if (map->type == _DRM_REGISTERS) {
map->handle = ioremap(map->offset, map->size);
+ if (!map->handle) {
+ drm_free(map, sizeof(*map), DRM_MEM_MAPS);
+ return -ENOMEM;
+ }
+ }
break;
case _DRM_SHM:
list = drm_find_matching_map(dev, map);
-
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