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authorIngo Molnar <mingo@elte.hu>2008-12-16 20:57:41 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-16 20:57:41 +0100
commitdd7a5230cd651bfb119d222561c4032f30dd5659 (patch)
tree85628ef75d1f512f43df6f760980b6cce6cf40c7 /mm/backing-dev.c
parent050dc6944b9ca2186f4729ab44e0da3743933941 (diff)
parent8b1fae4e4200388b64dd88065639413cb3f1051c (diff)
Merge commit 'v2.6.28-rc8' into x86/cpufeature
Diffstat (limited to 'mm/backing-dev.c')
-rw-r--r--mm/backing-dev.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index f2e574dbc30..801c08b046e 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -176,6 +176,9 @@ int bdi_register(struct backing_dev_info *bdi, struct device *parent,
int ret = 0;
struct device *dev;
+ if (bdi->dev) /* The driver needs to use separate queues per device */
+ goto exit;
+
va_start(args, fmt);
dev = device_create_vargs(bdi_class, parent, MKDEV(0, 0), bdi, fmt, args);
va_end(args);