qcacld-2.0: Pair spin lock with unlock

In some failure path of tlshim_mgmt_rx_process function,
locked spin lock must unlock before exit.
Optimize opClasses check in csrInitOperatingClasses.

Change-Id: I9fc195fac16e3b8ec03e0c87a48658d7748d1c31
CRs-Fixed: 2155647

CORE/CLD_TXRX/TLSHIM/tl_shim.c

diff --git a/CORE/CLD_TXRX/TLSHIM/tl_shim.c b/CORE/CLD_TXRX/TLSHIM/tl_shim.c
index 04ff361..6388f3a 100644
--- a/CORE/CLD_TXRX/TLSHIM/tl_shim.c
+++ b/CORE/CLD_TXRX/TLSHIM/tl_shim.c
@@ -646,6 +646,7 @@
 	 * If the mpdu_data_len is greater than Max (2k), drop the frame
 	 */
 	if (rx_pkt->pkt_meta.mpdu_data_len > WMA_MAX_MGMT_MPDU_LEN) {
+		adf_os_spin_unlock_bh(&tl_shim->mgmt_lock);
 		TLSHIM_LOGE("Data Len %d greater than max, dropping frame",
 			 rx_pkt->pkt_meta.mpdu_data_len);
 		vos_mem_free(rx_pkt);

CORE/SME/src/csr/csrApiRoam.c

diff --git a/CORE/SME/src/csr/csrApiRoam.c b/CORE/SME/src/csr/csrApiRoam.c
index d31c16d..0e0f619 100644
--- a/CORE/SME/src/csr/csrApiRoam.c
+++ b/CORE/SME/src/csr/csrApiRoam.c
@@ -20589,7 +20589,7 @@
              if (!found) {
                  opClasses[i]= class;
                  i++;
-                 if (i == SIR_MAC_MAX_SUPP_OPER_CLASSES)
+                 if (i >= SIR_MAC_MAX_SUPP_OPER_CLASSES)
                      break;
              }
         }