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authorJohannes Berg <johannes.berg@intel.com>2021-01-15 13:05:56 +0200
committerKalle Valo <kvalo@codeaurora.org>2021-01-25 15:53:06 +0200
commit2d6bc752cc2806366d9a4fd577b3f6c1f7a7e04e (patch)
tree96091f080593fc6f29b5b32e4bfe307574107c63 /drivers/net
parent98c7d21f957b10d9c07a3a60a3a5a8f326a197e5 (diff)
downloadlinux-2d6bc752cc2806366d9a4fd577b3f6c1f7a7e04e.tar.bz2
iwlwifi: pcie: fix context info memory leak
If the image loader allocation fails, we leak all the previously allocated memory. Fix this. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/iwlwifi.20210115130252.97172cbaa67c.I3473233d0ad01a71aa9400832fb2b9f494d88a11@changeid
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c
index 342a53e4488c..5b5134dd49af 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c
@@ -198,8 +198,10 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
/* Allocate IML */
iml_img = dma_alloc_coherent(trans->dev, trans->iml_len,
&trans_pcie->iml_dma_addr, GFP_KERNEL);
- if (!iml_img)
- return -ENOMEM;
+ if (!iml_img) {
+ ret = -ENOMEM;
+ goto err_free_ctxt_info;
+ }
memcpy(iml_img, trans->iml, trans->iml_len);
@@ -237,6 +239,11 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
return 0;
+err_free_ctxt_info:
+ dma_free_coherent(trans->dev, sizeof(*trans_pcie->ctxt_info_gen3),
+ trans_pcie->ctxt_info_gen3,
+ trans_pcie->ctxt_info_dma_addr);
+ trans_pcie->ctxt_info_gen3 = NULL;
err_free_prph_info:
dma_free_coherent(trans->dev,
sizeof(*prph_info),