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| author |   Yang Yingliang <yangyingliang@huawei.com> | 2021-06-02 16:49:35 +0800 |
|---|---|---|
| committer |   Alexandre Belloni <alexandre.belloni@bootlin.com> | 2021-06-09 02:02:22 +0200 |
| commit | 59a61e69c4252b4e8ecd15e752b0d2337f0121b7 (patch) | |
| tree | 6308878cf201c1daf6c99be1c2719ae87fbcb4e9 /drivers/i3c | |
| parent | Linux 5.13-rc1 (diff) | |
| download | linux-dev-59a61e69c4252b4e8ecd15e752b0d2337f0121b7.tar.xz linux-dev-59a61e69c4252b4e8ecd15e752b0d2337f0121b7.zip | |
i3c: master: svc: drop free_irq of devm_request_irq allocated irq
irq allocated with devm_request_irq() will be freed in devm_irq_release(),
using free_irq() in ->remove() will causes a dangling pointer, and a
subsequent double free. So remove the free_irq() in svc_i3c_master_remove().
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210602084935.3977636-1-yangyingliang@huawei.com
Diffstat (limited to 'drivers/i3c')
| -rw-r--r-- | drivers/i3c/master/svc-i3c-master.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c index 1f6ba4221817..eeb49b5d90ef 100644 --- a/drivers/i3c/master/svc-i3c-master.c +++ b/drivers/i3c/master/svc-i3c-master.c @@ -1448,7 +1448,6 @@ static int svc_i3c_master_remove(struct platform_device *pdev) if (ret) return ret; - free_irq(master->irq, master); clk_disable_unprepare(master->pclk); clk_disable_unprepare(master->fclk); clk_disable_unprepare(master->sclk); |