Message ID | 1529065688-2692-1-git-send-email-hofrat@osadl.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
diff --git a/arch/arm/mach-axxia/platsmp.c b/arch/arm/mach-axxia/platsmp.c index 502e3df..c706a11 100644 --- a/arch/arm/mach-axxia/platsmp.c +++ b/arch/arm/mach-axxia/platsmp.c @@ -40,10 +40,11 @@ static int axxia_boot_secondary(unsigned int cpu, struct task_struct *idle) syscon_np = of_find_compatible_node(NULL, NULL, "lsi,axxia-syscon"); if (!syscon_np) return -ENOENT; syscon = of_iomap(syscon_np, 0); + of_node_put(syscon_np); if (!syscon) return -ENOMEM; tmp = readl(syscon + SC_RST_CPU_HOLD); writel(0xab, syscon + SC_CRIT_WRITE_KEY);
The call to of_find_compatible_node() returns a node pointer with refcount incremented thus it must be explicitly decremented here after the last usage. (see drivers/of/base.c:of_find_compatible_node()) Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> --- Problem located with an experimental coccinelle script Patch was compile tested with: axm55xx_defconfig (with some sparse warnings - not related to the proposed change though) Patch is against 4.17.0 (localversion-next is next-20180614) arch/arm/mach-axxia/platsmp.c | 1 + 1 file changed, 1 insertion(+)