diff mbox series

powerpc/xive: Fix refcount leak in xive_get_max_prio

Message ID 20220605053225.56125-1-linmq006@gmail.com (mailing list archive)
State Accepted
Headers show
Series powerpc/xive: Fix refcount leak in xive_get_max_prio | expand

Checks

Context Check Description
snowpatch_ozlabs/github-powerpc_ppctests success Successfully ran 10 jobs.
snowpatch_ozlabs/github-powerpc_selftests success Successfully ran 10 jobs.
snowpatch_ozlabs/github-powerpc_clang success Successfully ran 7 jobs.
snowpatch_ozlabs/github-powerpc_sparse success Successfully ran 4 jobs.
snowpatch_ozlabs/github-powerpc_kernel_qemu success Successfully ran 23 jobs.

Commit Message

Miaoqian Lin June 5, 2022, 5:32 a.m. UTC
of_find_node_by_path() returns a node pointer with
refcount incremented, we should use of_node_put() on it when done.
Add missing of_node_put() to avoid refcount leak.

Fixes: eac1e731b59e ("powerpc/xive: guest exploitation of the XIVE interrupt controller")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 arch/powerpc/sysdev/xive/spapr.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Michael Ellerman Aug. 2, 2022, 11:02 a.m. UTC | #1
On Sun, 5 Jun 2022 09:32:23 +0400, Miaoqian Lin wrote:
> of_find_node_by_path() returns a node pointer with
> refcount incremented, we should use of_node_put() on it when done.
> Add missing of_node_put() to avoid refcount leak.
> 
> 

Applied to powerpc/next.

[1/1] powerpc/xive: Fix refcount leak in xive_get_max_prio
      https://git.kernel.org/powerpc/c/255b650cbec6849443ce2e0cdd187fd5e61c218c

cheers
diff mbox series

Patch

diff --git a/arch/powerpc/sysdev/xive/spapr.c b/arch/powerpc/sysdev/xive/spapr.c
index 7d5128676e83..d398823d138e 100644
--- a/arch/powerpc/sysdev/xive/spapr.c
+++ b/arch/powerpc/sysdev/xive/spapr.c
@@ -717,6 +717,7 @@  static bool __init xive_get_max_prio(u8 *max_prio)
 	}
 
 	reg = of_get_property(rootdn, "ibm,plat-res-int-priorities", &len);
+	of_node_put(rootdn);
 	if (!reg) {
 		pr_err("Failed to read 'ibm,plat-res-int-priorities' property\n");
 		return false;