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qcacld-3.0: Validate hif ctx during shutdown

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In function wlan_hdd_shutdown, hif_ctx is not validated
before use in hif_disable_isr. This can lead to a null pointer exception
in certain situations.
Validate hif_ctx before use in shutdown function.

Change-Id: Id50d87378ee176f6a48a790ec7027994aef0adf8
CRs-Fixed: 1083020
This commit is contained in:
Manjeet Singh
2016-10-27 14:18:51 +05:30
committed by qcabuildsw
parent 80f725bcf3
commit 6d2641a934
1 changed files with 4 additions and 1 deletions
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3
core/hdd/src/wlan_hdd_driver_ops.c
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@@ -450,6 +450,9 @@ static void wlan_hdd_shutdown(void)
hdd_err("Host is not ready for SSR, attempting anyway"); hdd_err("Host is not ready for SSR, attempting anyway");
if (!QDF_IS_EPPING_ENABLED(cds_get_conparam())) { if (!QDF_IS_EPPING_ENABLED(cds_get_conparam())) {
if (!hif_ctx)
hdd_err("Invalid hif ctx!");
else
hif_disable_isr(hif_ctx); hif_disable_isr(hif_ctx);
hdd_wlan_shutdown(); hdd_wlan_shutdown();
} }