diff options
| author | Manjeet Singh <manjee@codeaurora.org> | 2016-10-27 14:18:51 +0530 |
|---|---|---|
| committer | qcabuildsw <qcabuildsw@localhost> | 2016-11-09 01:10:48 -0800 |
| commit | 076a3874f61358d8858ff4eb95968962914e6d81 (patch) | |
| tree | b12207a15e987e474e10fc3a7af4ebfb5c5dddde | |
| parent | cfada69484a39d6c145dcce155bf59709af45d57 (diff) | |
qcacld-3.0: Validate hif ctx during shutdown
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
| -rw-r--r-- | core/hdd/src/wlan_hdd_driver_ops.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/core/hdd/src/wlan_hdd_driver_ops.c b/core/hdd/src/wlan_hdd_driver_ops.c index afee223dcd4d..20290b8f9280 100644 --- a/core/hdd/src/wlan_hdd_driver_ops.c +++ b/core/hdd/src/wlan_hdd_driver_ops.c @@ -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(); } } |