[lvc-project] [PATCH] wifi: ath11k: fix NULL derefence in ath11k_qmi_m3_load()

[Matvey Kovalev]

If ab->fw.m3_data points to data, then fw pointer remains null.
Further, if m3_mem is not allocated, then fw is dereferenced to be
passed to ath11k_err function.

Replace fw->size by m3_len.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 7db88b962f06 ("wifi: ath11k: add firmware-2.bin support")
Cc: stable at vger.kernel.org
Signed-off-by: Matvey Kovalev <matvey.kovalev at ispras.ru>
---
 drivers/net/wireless/ath/ath11k/qmi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c
index 378ac96b861b7..1a42b4abe7168 100644
--- a/drivers/net/wireless/ath/ath11k/qmi.c
+++ b/drivers/net/wireless/ath/ath11k/qmi.c
@@ -2557,7 +2557,7 @@ static int ath11k_qmi_m3_load(struct ath11k_base *ab)
 					   GFP_KERNEL);
 	if (!m3_mem->vaddr) {
 		ath11k_err(ab, "failed to allocate memory for M3 with size %zu\n",
-			   fw->size);
+			   m3_len);
 		ret = -ENOMEM;
 		goto out;
 	}
-- 
2.43.0.windows.1