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qcacld-3.0: Fix possible NULL pointer dereference

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Pointers returned by wlan_ipa_get_iface API and
cds_get_context API are not NULL validated at few
places. Add NULL checks for these pointers to avoid
possible NULL pointer dereference.

Change-Id: I44f226c2ce97afd6ad2ff9cde5cd70d9d12bc3d2
CRs-Fixed: 2775197
This commit is contained in:
Yeshwanth Sriram Guntuka
2020-09-11 21:10:35 +05:30
committed by snandini
parent 0358fd452a
commit 843e288336
2 changed files with 11 additions and 7 deletions
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7
components/ipa/core/src/wlan_ipa_stats.c
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@@ -965,7 +965,6 @@ QDF_STATUS wlan_ipa_uc_op_metering(struct wlan_ipa_priv *ipa_ctx,
struct ipa_uc_quota_rsp *uc_quota_rsp;
struct ipa_uc_quota_ind *uc_quota_ind;
struct wlan_ipa_iface_context *iface_ctx;
uint32_t ifindex;
uint64_t quota_bytes;
if (msg->op_code == WLAN_IPA_UC_OPCODE_SHARING_STATS) {
@@ -996,11 +995,11 @@ QDF_STATUS wlan_ipa_uc_op_metering(struct wlan_ipa_priv *ipa_ctx,
/* send quota exceeded indication to IPA */
iface_ctx = wlan_ipa_get_iface(ipa_ctx, QDF_STA_MODE);
ifindex = iface_ctx->dev->ifindex;
quota_bytes = uc_quota_ind->quota_bytes;
if (iface_ctx)
qdf_ipa_broadcast_wdi_quota_reach_ind(ifindex,
quota_bytes);
qdf_ipa_broadcast_wdi_quota_reach_ind(
iface_ctx->dev->ifindex,
quota_bytes);
else
ipa_err("Failed quota_reach_ind: NULL interface");
} else {