[PATCH FIX] powerpc/pseries: Release DRC when configure_connector fails

[Bharata B Rao]

From: Bharata B Rao <bharata at linux.vnet.ibm.com>

dlpar_cpu_probe() should release the acquired DRC if configure_connector
call fails.

Signed-off-by: Bharata B Rao <bharata at linux.vnet.ibm.com>
Cc: Nathan Fontenot <nfont at linux.vnet.ibm.com>
---
 arch/powerpc/platforms/pseries/dlpar.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index 47d9cebe..db17827 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -422,8 +422,10 @@ static ssize_t dlpar_cpu_probe(const char *buf, size_t count)
 
 	dn = dlpar_configure_connector(cpu_to_be32(drc_index), parent);
 	of_node_put(parent);
-	if (!dn)
+	if (!dn) {
+		dlpar_release_drc(drc_index);
 		return -EINVAL;
+	}
 
 	rc = dlpar_attach_node(dn);
 	if (rc) {
-- 
1.8.3.1