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| author | Ioana Ciornei <ioana.ciornei@nxp.com> | 2018-12-04 12:20:27 +0100 |
|---|---|---|
| committer | Li Yang <leoyang.li@nxp.com> | 2019-01-08 21:15:36 +0100 |
| commit | e181a569d8e52d5a5c91cf2ddc3ebcfb81163887 (patch) | |
| tree | a7787d8d5a4e5e03a11aa6904ac0a468e686d896 /drivers/soc/fsl/dpio/dpio-service.c | |
| parent | Linux 5.0-rc1 (diff) | |
| download | linux-e181a569d8e52d5a5c91cf2ddc3ebcfb81163887.tar.xz linux-e181a569d8e52d5a5c91cf2ddc3ebcfb81163887.zip | |
soc: fsl: dpio: cleanup the cpu array on dpaa2_io_down
The dpio_by_cpu array should not contain a reference to a freed dpaa2_io
object. This patch adds the necessary cleanup in dpaa2_io_down.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Diffstat (limited to 'drivers/soc/fsl/dpio/dpio-service.c')
| -rw-r--r-- | drivers/soc/fsl/dpio/dpio-service.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/soc/fsl/dpio/dpio-service.c b/drivers/soc/fsl/dpio/dpio-service.c index ec0837ff039a..ab046f241d32 100644 --- a/drivers/soc/fsl/dpio/dpio-service.c +++ b/drivers/soc/fsl/dpio/dpio-service.c @@ -160,6 +160,11 @@ struct dpaa2_io *dpaa2_io_create(const struct dpaa2_io_desc *desc) */ void dpaa2_io_down(struct dpaa2_io *d) { + spin_lock(&dpio_list_lock); + dpio_by_cpu[d->dpio_desc.cpu] = NULL; + list_del(&d->node); + spin_unlock(&dpio_list_lock); + kfree(d); } |