[PATCH] arm/mach-socfpga/pm: fix possible object reference leak
DORMANTno replies
From: Peng Hao <hidden>
Date: 2019-02-13 07:12:34
Also in:
lkml
Subsystem:
arm port, arm/socfpga architecture, the rest · Maintainers:
Russell King, Dinh Nguyen, Linus Torvalds
of_find_device_by_node() takes a reference to the struct device when it finds a match via get_device. When returning error we should call put_device. Signed-off-by: Peng Hao <redacted> --- arch/arm/mach-socfpga/pm.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-socfpga/pm.c b/arch/arm/mach-socfpga/pm.c
index d486678..b782294 100644
--- a/arch/arm/mach-socfpga/pm.c
+++ b/arch/arm/mach-socfpga/pm.c@@ -60,14 +60,14 @@ static int socfpga_setup_ocram_self_refresh(void) if (!ocram_pool) { pr_warn("%s: ocram pool unavailable!\n", __func__); ret = -ENODEV; - goto put_node; + goto put_device; } ocram_base = gen_pool_alloc(ocram_pool, socfpga_sdram_self_refresh_sz); if (!ocram_base) { pr_warn("%s: unable to alloc ocram!\n", __func__); ret = -ENOMEM; - goto put_node; + goto put_device; } ocram_pbase = gen_pool_virt_to_phys(ocram_pool, ocram_base);
@@ -78,7 +78,7 @@ static int socfpga_setup_ocram_self_refresh(void) if (!suspend_ocram_base) { pr_warn("%s: __arm_ioremap_exec failed!\n", __func__); ret = -ENOMEM; - goto put_node; + goto put_device; } /* Copy the code that puts DDR in self refresh to ocram */
@@ -92,6 +92,8 @@ static int socfpga_setup_ocram_self_refresh(void) if (!socfpga_sdram_self_refresh_in_ocram) ret = -EFAULT; +put_device: + put_device(&pdev->dev); put_node: of_node_put(np);
--
1.8.3.1
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