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 |
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. |
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 --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;
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(+)