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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
commit 6d2641a934
1 changed files with 4 additions and 1 deletions
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5
core/hdd/src/wlan_hdd_driver_ops.c
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@ -450,7 +450,10 @@ static void wlan_hdd_shutdown(void)
hdd_err("Host is not ready for SSR, attempting anyway");
if (!QDF_IS_EPPING_ENABLED(cds_get_conparam())) {
hif_disable_isr(hif_ctx);
if (!hif_ctx)
hdd_err("Invalid hif ctx!");
else
hif_disable_isr(hif_ctx);
hdd_wlan_shutdown();
}
}