[PATCH] staging: mt7621-pci: Add of_node_put() before return
From: Nishka Dasgupta <hidden>
Date: 2019-07-16 06:00:02
Also in:
linux-mediatek
Subsystem:
staging subsystem, the rest · Maintainers:
Greg Kroah-Hartman, Linus Torvalds
Each iteration of for_each_available_child_of_node puts the previous node, but in the case of a return from the middle of the loop, there is no put, thus causing a memory leak. Hence add an of_node_put before the return in two places. Issue found with Coccinelle. Signed-off-by: Nishka Dasgupta <redacted> --- drivers/staging/mt7621-pci/pci-mt7621.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/mt7621-pci/pci-mt7621.c b/drivers/staging/mt7621-pci/pci-mt7621.c
index 89fa813142ab..2e37fd136ab8 100644
--- a/drivers/staging/mt7621-pci/pci-mt7621.c
+++ b/drivers/staging/mt7621-pci/pci-mt7621.c@@ -400,6 +400,7 @@ static int mt7621_pcie_parse_dt(struct mt7621_pcie *pcie) err = of_pci_get_devfn(child); if (err < 0) { + of_node_put(child); dev_err(dev, "failed to parse devfn: %d\n", err); return err; }
@@ -407,8 +408,10 @@ static int mt7621_pcie_parse_dt(struct mt7621_pcie *pcie) slot = PCI_SLOT(err); err = mt7621_pcie_parse_port(pcie, child, slot); - if (err) + if (err) { + of_node_put(child); return err; + } } return 0;
--
2.19.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel