From: Keita Suzuki Date: Wed, 9 Sep 2020 07:18:51 +0000 (+0000) Subject: misc: rtsx: Fix memory leak in rtsx_pci_probe X-Git-Tag: v4.4.241~18 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e2a3c02399babe23d3883ceb7cca1ab4c56e0de4;p=thirdparty%2Fkernel%2Fstable.git misc: rtsx: Fix memory leak in rtsx_pci_probe [ Upstream commit bc28369c6189009b66d9619dd9f09bd8c684bb98 ] When mfd_add_devices() fail, pcr->slots should also be freed. However, the current implementation does not free the member, leading to a memory leak. Fix this by adding a new goto label that frees pcr->slots. Signed-off-by: Keita Suzuki Link: https://lore.kernel.org/r/20200909071853.4053-1-keitasuzuki.park@sslab.ics.keio.ac.jp Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c index 98029ee0959e3..be61f8606a045 100644 --- a/drivers/mfd/rtsx_pcr.c +++ b/drivers/mfd/rtsx_pcr.c @@ -1255,12 +1255,14 @@ static int rtsx_pci_probe(struct pci_dev *pcidev, ret = mfd_add_devices(&pcidev->dev, pcr->id, rtsx_pcr_cells, ARRAY_SIZE(rtsx_pcr_cells), NULL, 0, NULL); if (ret < 0) - goto disable_irq; + goto free_slots; schedule_delayed_work(&pcr->idle_work, msecs_to_jiffies(200)); return 0; +free_slots: + kfree(pcr->slots); disable_irq: free_irq(pcr->irq, (void *)pcr); disable_msi: