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Subject[RFC/PATCH 12/15] get_unmapped_area handles MAP_FIXED in ffb DRM
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

drivers/char/drm/ffb_drv.c | 6 ++++++
1 file changed, 6 insertions(+)

Index: linux-cell/drivers/char/drm/ffb_drv.c
===================================================================
--- linux-cell.orig/drivers/char/drm/ffb_drv.c 2007-03-22 16:21:22.000000000 +1100
+++ linux-cell/drivers/char/drm/ffb_drv.c 2007-03-22 16:23:13.000000000 +1100
@@ -191,6 +191,12 @@ unsigned long ffb_get_unmapped_area(stru
if ((kvirt & (SHMLBA - 1)) != (addr & (SHMLBA - 1))) {
unsigned long koff, aoff;

+ /* Address needs adjusting which can't be done
+ * for MAP_FIXED
+ */
+ if (flags & MAP_FIXED)
+ return -EINVAL;
+
koff = kvirt & (SHMLBA - 1);
aoff = addr & (SHMLBA - 1);
if (koff < aoff)
-
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