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authorLinus Torvalds <torvalds@linux-foundation.org>2010-03-01 09:00:29 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-01 09:00:29 -0800
commitb1bf9368407ae7e89d8a005bb40beb70a41df539 (patch)
tree3815c8aab19c6c186736673c624fef5f3faab716 /kernel/trace
parent524df55725217b13d5a232fb5badb5846418ea0e (diff)
parent4671a1322052425afa38fcb7980d2fd2bb0fc99b (diff)
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Merge branch 'for-2.6.34' of git://git.kernel.dk/linux-2.6-block
* 'for-2.6.34' of git://git.kernel.dk/linux-2.6-block: (38 commits) block: don't access jiffies when initialising io_context cfq: remove 8 bytes of padding from cfq_rb_root on 64 bit builds block: fix for "Consolidate phys_segment and hw_segment limits" cfq-iosched: quantum check tweak blktrace: perform cleanup after setup error blkdev: fix merge_bvec_fn return value checks cfq-iosched: requests "in flight" vs "in driver" clarification cciss: Fix problem with scatter gather elements in the scsi half of the driver cciss: eliminate unnecessary pointer use in cciss scsi code cciss: do not use void pointer for scsi hba data cciss: factor out scatter gather chain block mapping code cciss: fix scatter gather chain block dma direction kludge cciss: simplify scatter gather code cciss: factor out scatter gather chain block allocation and freeing cciss: detect bad alignment of scsi commands at build time cciss: clarify command list padding calculation cfq-iosched: rethink seeky detection for SSDs cfq-iosched: rework seeky detection block: remove padding from io_context on 64bit builds block: Consolidate phys_segment and hw_segment limits ...
Diffstat (limited to 'kernel/trace')
-rw-r--r--kernel/trace/blktrace.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index d9d6206..07f945a9 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -540,9 +540,10 @@ int blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
if (ret)
return ret;
- if (copy_to_user(arg, &buts, sizeof(buts)))
+ if (copy_to_user(arg, &buts, sizeof(buts))) {
+ blk_trace_remove(q);
return -EFAULT;
-
+ }
return 0;
}
EXPORT_SYMBOL_GPL(blk_trace_setup);