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authorJean-Christophe Dubois <jdubois@mc.com>2007-03-28 06:07:41 -0400
committerPaul Mackerras <paulus@samba.org>2007-03-28 19:49:23 -0400
commit190a4408ecb577391ea5fbd1f90148a6992a5756 (patch)
treee1e6e3e9e16e60e76c3b8596da7d22364d4b4936 /arch/powerpc
parente5c465f5d957ab581bc79d3ce981281fe73021a3 (diff)
[POWERPC] Fix dcr_unmap()
Fix a bug in dcr_unmap(). At unmap time the DCR offset need to be added instead of substracted. Signed-off-by: Jean-Christophe Dubois <jdubois@mc.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/sysdev/dcr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/dcr.c b/arch/powerpc/sysdev/dcr.c
index dffeeaeca1d9..1fc5819e7d18 100644
--- a/arch/powerpc/sysdev/dcr.c
+++ b/arch/powerpc/sysdev/dcr.c
@@ -129,7 +129,7 @@ void dcr_unmap(dcr_host_t host, unsigned int dcr_n, unsigned int dcr_c)
129 129
130 if (h.token == NULL) 130 if (h.token == NULL)
131 return; 131 return;
132 h.token -= dcr_n * h.stride; 132 h.token += dcr_n * h.stride;
133 iounmap(h.token); 133 iounmap(h.token);
134 h.token = NULL; 134 h.token = NULL;
135} 135}