Module: xenomai-2.6
Branch: master
Commit: 137e0666cb9269e0da6b84939180ed418a541589
URL:
http://git.xenomai.org/?p=xenomai-2.6.git;a=commit;h=137e0666cb9269e0da6b84939180ed418a541589
Author: Philippe Gerum <r...@xenomai.org>
Date: Thu Aug 7 14:20:24 2014 +0200
rtdm: fix mapping address translation for MMU-less platforms
---
ksrc/skins/rtdm/drvlib.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/ksrc/skins/rtdm/drvlib.c b/ksrc/skins/rtdm/drvlib.c
index 2e0f14b..ba3e78c 100644
--- a/ksrc/skins/rtdm/drvlib.c
+++ b/ksrc/skins/rtdm/drvlib.c
@@ -1882,11 +1882,12 @@ static unsigned long rtdm_unmapped_area(struct file
*file,
unsigned long pa;
pa = mmap_data->src_paddr;
- if (pa == 0)
- pa = __pa(mmap_data->src_vaddr);
+ if (pa)
+ return (unsigned long)__va(pa);
- return pa;
+ return (unsigned long)mmap_data->src_vaddr;
}
+
#else
#define rtdm_unmapped_area NULL
#endif
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