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msm: ipa: add null check for unregister netdev

Telusuri Sumber 
Changes include null check for IPA netdev and gsihal_ctx.

Change-Id: If897281663e0ae0f29b7110fcbaa4dd98f67eb8d
Signed-off-by: Michael Adisumarta <madisuma@codeaurora.org>
This commit is contained in:
Michael Adisumarta
2021-08-10 11:52:11 -07:00
orang tua 335b3560aa
melakukan e8006a750d
2 mengubah file dengan 9 tambahan dan 2 penghapusan
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5
drivers/platform/msm/gsi/gsihal/gsihal_reg.c
Melihat File

@@ -2003,6 +2003,11 @@ u32 gsihal_read_reg_nk(enum gsihal_reg_name reg, u32 n, u32 k)
{
u32 offset;
if (!gsihal_ctx) {
GSIERR("gsihal_ctx mpt initialized");
return -EPERM;
}
if (reg >= GSI_REG_MAX) {
GSIERR("Invalid register reg=%u\n", reg);
WARN_ON(1);

6
drivers/platform/msm/ipa/ipa_v3/rmnet_ipa.c
Melihat File

@@ -3755,7 +3755,8 @@ static int ipa3_wwan_remove(struct platform_device *pdev)
* targets. */
#if !IS_ENABLED(CONFIG_QCOM_Q6V5_PAS)
IPAWANINFO("rmnet_ipa unregister_netdev\n");
unregister_netdev(IPA_NETDEV());
if (IPA_NETDEV())
unregister_netdev(IPA_NETDEV());
ipa3_wwan_deregister_netdev_pm_client();
#endif
cancel_work_sync(&ipa3_tx_wakequeue_work);
@@ -3985,7 +3986,8 @@ static int ipa3_lcl_mdm_ssr_notifier_cb(struct notifier_block *this,
* enabled targets. */
#if IS_ENABLED(CONFIG_QCOM_Q6V5_PAS)
IPAWANINFO("rmnet_ipa unregister_netdev\n");
unregister_netdev(IPA_NETDEV());
if (IPA_NETDEV())
unregister_netdev(IPA_NETDEV());
ipa3_wwan_deregister_netdev_pm_client();
if (IPA_NETDEV())
free_netdev(IPA_NETDEV());