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| author |   Xin Xiong <xiongx18@fudan.edu.cn> | 2021-10-09 12:19:18 +0800 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2021-10-12 10:23:25 +0200 |
| commit | 8105c2abbf36296bf38ca44f55ee45d160db476a (patch) | |
| tree | 2d1e95e7ebdc14a5355ec07c087d323a660dd3db /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | Merge branch 'fixes' into next (diff) | |
| download | wireguard-linux-8105c2abbf36296bf38ca44f55ee45d160db476a.tar.xz wireguard-linux-8105c2abbf36296bf38ca44f55ee45d160db476a.zip | |
mmc: moxart: Fix reference count leaks in moxart_probe
The issue happens in several error handling paths on two refcounted
object related to the object "host" (dma_chan_rx, dma_chan_tx). In
these paths, the function forgets to decrement one or both objects'
reference count increased earlier by dma_request_chan(), causing
reference count leaks.
Fix it by balancing the refcounts of both objects in some error
handling paths. In correspondence with the changes in moxart_probe(),
IS_ERR() is replaced with IS_ERR_OR_NULL() in moxart_remove() as well.
Signed-off-by: Xin Xiong <xiongx18@fudan.edu.cn>
Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Link: https://lore.kernel.org/r/20211009041918.28419-1-xiongx18@fudan.edu.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions