wifi: ath11k: Add missing check for ioremap

Add check for ioremap() and return the error if it fails in order to guarantee the success of ioremap(), same as in ath11k_qmi_load_file_target_mem(). Fixes: 6ac04bd ("ath11k: Use reserved host DDR addresses from DT for PCI devices") Signed-off-by: Jiasheng Jiang <[email protected]> Signed-off-by: Kalle Valo <[email protected]> Link: https://lore.kernel.org/r/[email protected]
kawasaki · Jun 15, 2023 · 16e0077 · 16e0077
1 parent 3a5d50f
commit 16e0077
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c
@@ -2058,6 +2058,9 @@ static int ath11k_qmi_assign_target_mem_chunk(struct ath11k_base *ab)
 			ab->qmi.target_mem[idx].iaddr =
 				ioremap(ab->qmi.target_mem[idx].paddr,
 					ab->qmi.target_mem[i].size);
+			if (!ab->qmi.target_mem[idx].iaddr)
+				return -EIO;
+
 			ab->qmi.target_mem[idx].size = ab->qmi.target_mem[i].size;
 			host_ddr_sz = ab->qmi.target_mem[i].size;
 			ab->qmi.target_mem[idx].type = ab->qmi.target_mem[i].type;
@@ -2083,6 +2086,8 @@ static int ath11k_qmi_assign_target_mem_chunk(struct ath11k_base *ab)
 					ab->qmi.target_mem[idx].iaddr =
 						ioremap(ab->qmi.target_mem[idx].paddr,
 							ab->qmi.target_mem[i].size);
+					if (!ab->qmi.target_mem[idx].iaddr)
+						return -EIO;
 				} else {
 					ab->qmi.target_mem[idx].paddr =
 						ATH11K_QMI_CALDB_ADDRESS;