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| author | Bard Liao <yung-chuan.liao@linux.intel.com> | 2021-04-06 04:01:01 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2021-04-06 07:56:44 +0300 |
| commit | 14968dd36a507866be0edfc2a05d48c997da5d99 (patch) | |
| tree | 25f529b4d55e29e032b9f555d12a721845b01614 /drivers/base/platform-msi.c | |
| parent | e729e0fdc63d8f22cbce61159cee88c04e42b3e2 (diff) | |
| download | linux-14968dd36a507866be0edfc2a05d48c997da5d99.tar.xz | |
soundwire: intel_init: test link->cdns
intel_link_probe() could return error and dev_get_drvdata() will return
null in such case. So we have to test link->cdns after
link->cdns = dev_get_drvdata(&ldev->auxdev.dev);
Otherwise, we will meet the "kernel NULL pointer dereference" error.
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210406010101.11442-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/base/platform-msi.c')
0 files changed, 0 insertions, 0 deletions