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icnss: Add check for valid SMEM handler

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Validate SMEM state handler before using it.

Change-Id: I762cef00daa267ff7e411a5c740556d7f235d383
Signed-off-by: Naman Padhiar <quic_npadhiar@quicinc.com>
This commit is contained in:
Naman Padhiar 2021-12-16 23:08:17 +05:30
commit dc75b47b7c
1 changed files with 3 additions and 2 deletions
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5
drivers/soc/qcom/icnss2/main.c
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@ -1307,7 +1307,8 @@ static int icnss_driver_event_pd_service_down(struct icnss_priv *priv,
if (priv->force_err_fatal)
ICNSS_ASSERT(0);
if (priv->device_id == WCN6750_DEVICE_ID) {
if (priv->device_id == WCN6750_DEVICE_ID &&
!IS_ERR(priv->smp2p_info.smem_state)) {
priv->smp2p_info.seq = 0;
if (qcom_smem_state_update_bits(
priv->smp2p_info.smem_state,
@ -3912,7 +3913,7 @@ static inline void icnss_get_smp2p_info(struct icnss_priv *priv)
"wlan-smp2p-out",
&priv->smp2p_info.smem_bit);
if (IS_ERR(priv->smp2p_info.smem_state)) {
icnss_pr_smp2p("Failed to get smem state %d",
icnss_pr_err("Failed to get smem state %d",
PTR_ERR(priv->smp2p_info.smem_state));
}