diff options
| author | Laurent FERT <laurent.fert@intel.com> | 2016-02-15 19:11:56 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-20 14:09:14 -0800 |
| commit | e4eca2a1c71fda33cd8b5aacc7744176e440f80d (patch) | |
| tree | ac97f9ccb2a0b3f8740da512ab571372fa3c6044 /drivers/hwtracing/intel_th/msu.c | |
| parent | 4d02ceff32f35f3ea745be6114503c2d2505da99 (diff) | |
intel_th: msu: Fix offset for wrapped block
Fix offset for the second pass on the wrapped block when iterating over
memory in multi-block mode, otherwise wrong part of the block will get
copied.
Signed-off-by: Laurent FERT <laurent.fert@intel.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/intel_th/msu.c')
| -rw-r--r-- | drivers/hwtracing/intel_th/msu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c index 70ca27e45602..3c793bbf6ab2 100644 --- a/drivers/hwtracing/intel_th/msu.c +++ b/drivers/hwtracing/intel_th/msu.c @@ -408,7 +408,7 @@ msc_buffer_iterate(struct msc_iter *iter, size_t size, void *data, * Second time (wrap_count==1), it's just like any other block, * containing data in the range of [MSC_BDESC..data_bytes]. */ - if (iter->block == iter->start_block && iter->wrap_count) { + if (iter->block == iter->start_block && iter->wrap_count == 2) { tocopy = DATA_IN_PAGE - data_bytes; src += data_bytes; } |