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authorIngo Molnar <mingo@elte.hu>2008-12-26 09:21:05 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-26 09:21:05 +0100
commitc656d9ca48d3ef1a11449e892ce488ee0bb5a335 (patch)
tree0c5598659b3e7f12864d203967d42ac3feb1142c /mm/backing-dev.c
parent71ab6b245fda6e7597a667a67cce0d26c3c7a14b (diff)
parenta73ad3331fdbf4191cf99b83ea9ac7082b6757ba (diff)
Merge branch 'x86/fpu' into x86/cleanups
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 f2e574dbc3008..801c08b046e6c 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);