Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | Date | Thu, 29 Feb 2024 00:35:23 +0530 | Subject | [PATCH v2] spmi: hisi-spmi-controller: Fix kernel panic on rmmod | From | Vamshi Gajjela <> |
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Ensure consistency in spmi_controller pointers between spmi_controller_remove/put and driver spmi_del_controller functions. The former requires a pointer to struct spmi_controller, while the latter passes a pointer of struct spmi_controller_dev, leading to a "Null pointer exception".
Signed-off-by: Vamshi Gajjela <vamshigajjela@google.com> Fixes: 70f59c90c819 ("staging: spmi: add Hikey 970 SPMI controller driver") Cc: stable@vger.kernel.org --- v2: - Split into two separate patches - add Fixes and Cc stable
drivers/spmi/hisi-spmi-controller.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/spmi/hisi-spmi-controller.c b/drivers/spmi/hisi-spmi-controller.c index 9cbd473487cb..4b6189d8cc4d 100644 --- a/drivers/spmi/hisi-spmi-controller.c +++ b/drivers/spmi/hisi-spmi-controller.c @@ -326,7 +326,8 @@ static int spmi_controller_probe(struct platform_device *pdev) static void spmi_del_controller(struct platform_device *pdev) { - struct spmi_controller *ctrl = platform_get_drvdata(pdev); + struct spmi_controller_dev *spmi_controller = platform_get_drvdata(pdev); + struct spmi_controller *ctrl = spmi_controller->controller; spmi_controller_remove(ctrl); spmi_controller_put(ctrl); -- 2.44.0.rc1.240.g4c46232300-goog
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