From 8f68ed9728193b1f2fb53ba06031b06bd8b3d1b4 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Mon, 21 Dec 2009 15:15:59 +0100 Subject: amd64_edac: fix driver instance freeing Fix use-after-free errors by pushing all memory-freeing calls to the end of amd64_remove_one_instance(). Reported-by: Darren Jenkins LKML-Reference: <1261370306.11354.52.camel@ICE-BOX> Signed-off-by: Borislav Petkov --- drivers/edac/amd64_edac.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 784cc5a1ebc3..fb0d36b47411 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -2929,16 +2929,15 @@ static void __devexit amd64_remove_one_instance(struct pci_dev *pdev) amd64_free_mc_sibling_devices(pvt); - kfree(pvt); - mci->pvt_info = NULL; - - mci_lookup[pvt->mc_node_id] = NULL; - /* unregister from EDAC MCE */ amd_report_gart_errors(false); amd_unregister_ecc_decoder(amd64_decode_bus_error); /* Free the EDAC CORE resources */ + mci->pvt_info = NULL; + mci_lookup[pvt->mc_node_id] = NULL; + + kfree(pvt); edac_mc_free(mci); } -- cgit v1.2.3-59-g8ed1b