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authorJiasheng Jiang <[email protected]>2023-06-13 12:19:40 +0300
committerKalle Valo <[email protected]>2023-06-15 14:39:49 +0300
commit16e0077e14a73866e9b0f4a6bf4ad3d4a5cb0f2a (patch)
tree131de43a81b45d72b94bf149cf6fcf4a26bd9965
parent3a5d50f8eb4fcf3c69ae858020c49877e4eeaf05 (diff)
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: 6ac04bdc5edb ("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]
-rw-r--r--drivers/net/wireless/ath/ath11k/qmi.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c
index 5da4c7663b45..5d1c03b7befe 100644
--- 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;