diff options
| author | Felix Fietkau <nbd@nbd.name> | 2021-03-23 22:47:37 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2021-04-12 23:07:24 +0200 |
| commit | b4403cee6400c5f679e9c4a82b91d61aa961eccf (patch) | |
| tree | ae283c2ac5dedbe6b425dce756c38af8a999f85b /tools/perf/scripts/python | |
| parent | mt76: mt7921: reduce the data latency during hw scan (diff) | |
| download | linux-b4403cee6400c5f679e9c4a82b91d61aa961eccf.tar.gz linux-b4403cee6400c5f679e9c4a82b91d61aa961eccf.zip | |
mt76: fix potential DMA mapping leak
With buf uninitialized in mt76_dma_tx_queue_skb_raw, its field skip_unmap
could potentially inherit a non-zero value from stack garbage.
If this happens, it will cause DMA mappings for MCU command frames to not be
unmapped after completion
Fixes: 27d5c528a7ca ("mt76: fix double DMA unmap of the first buffer on 7615/7915")
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions