powerpc: Fix memory leak in axon_msi.c

cppcheck found a memory leak in axon_msi, if dcr_base or dcr_len are zero,
we have already allocated msic, so we should free it in the error path.

Signed-off-by: Eric Sesterhenn <eric.sesterhenn@lsexperts.de>
Acked-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c
index aca5741ddc6777663dcc55c9a840d963b83128f7..a86c34b3bb843b716459bad934054be9292adabc 100644 (file)
--- a/arch/powerpc/platforms/cell/axon_msi.c
+++ b/arch/powerpc/platforms/cell/axon_msi.c
@@ -365,7 +365,7 @@ static int axon_msi_probe(struct of_device *device,
                printk(KERN_ERR
                       "axon_msi: couldn't parse dcr properties on %s\n",
                        dn->full_name);
-               goto out;
+               goto out_free_msic;
        }
 
        msic->dcr_host = dcr_map(dn, dcr_base, dcr_len);