From: Keita Suzuki keitasuzuki.park@sslab.ics.keio.ac.jp
[ 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 keitasuzuki.park@sslab.ics.keio.ac.jp Link: https://lore.kernel.org/r/20200909071853.4053-1-keitasuzuki.park@sslab.ics.k... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/misc/cardreader/rtsx_pcr.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/misc/cardreader/rtsx_pcr.c b/drivers/misc/cardreader/rtsx_pcr.c index 37ccc67f4914b..f2b2805942f50 100644 --- a/drivers/misc/cardreader/rtsx_pcr.c +++ b/drivers/misc/cardreader/rtsx_pcr.c @@ -1562,12 +1562,14 @@ 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: