Thread (3 messages) flat view 3 messages, 3 authors, 2021-11-02

Re: [PATCH] powerpc/kexec_file: Add of_node_put() before goto

From: Hari Bathini <hbathini@linux.ibm.com>
Date: 2021-10-18 07:08:00
Also in: lkml


On 18/10/21 7:24 am, Wan Jiabing wrote:
Fix following coccicheck warning:
./arch/powerpc/kexec/file_load_64.c:698:1-22: WARNING: Function
for_each_node_by_type should have of_node_put() before goto

Early exits from for_each_node_by_type should decrement the
node reference counter.

Signed-off-by: Wan Jiabing <redacted>
Thanks for fixing this!

Acked-by: Hari Bathini <hbathini@linux.ibm.com>
quoted hunk ↗ jump to hunk
---
  arch/powerpc/kexec/file_load_64.c | 1 +
  1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/kexec/file_load_64.c b/arch/powerpc/kexec/file_load_64.c
index 5056e175ca2c..b4981b651d9a 100644
--- a/arch/powerpc/kexec/file_load_64.c
+++ b/arch/powerpc/kexec/file_load_64.c
@@ -700,6 +700,7 @@ static int update_usable_mem_fdt(void *fdt, struct crash_mem *usable_mem)
  		if (ret) {
  			pr_err("Failed to set linux,usable-memory property for %s node",
  			       dn->full_name);
+			of_node_put(dn);
  			goto out;
  		}
  	}
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