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| author | Krzysztof Kozlowski <k.kozlowski@samsung.com> | 2015-06-15 11:25:16 +0300 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2015-07-07 06:57:53 +0300 |
| commit | ae128293d97404f491dc76f1843c7adacfec3441 (patch) | |
| tree | 661e782b5dd0259eefeeccf26a8332e6a940b6b8 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | d770e558e21961ad6cfdf0ff7df0eb5d7d4f0754 (diff) | |
| download | linux-ae128293d97404f491dc76f1843c7adacfec3441.tar.xz | |
dmaengine: pl330: Fix overflow when reporting residue in memcpy
During memcpy operations the residue was always set to an u32 overflowed
value.
In pl330_tx_status() function number of currently transferred bytes was
subtracted from internal "bytes_requested" field. However this
"bytes_requested" was not initialized at start to length of memcpy
buffer so transferred bytes were subtracted from 0 causing overflow.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: <stable@vger.kernel.org>
Fixes: aee4d1fac887 ("dmaengine: pl330: improve pl330_tx_status() function")
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions