From: Tom Rix <trix@redhat.com>

Clang static analysis reports this problem
qmi.c:1935:5: warning: Undefined or garbage value returned to caller
  return ret;
  ^~~~~~~~~~

ret is uninitialized.  When of_parse_phandle() fails, garbage is
returned.  So return -EINVAL.

Fixes: 6ac04bdc5edb ("ath11k: Use reserved host DDR addresses from DT for PCI devices")
Signed-off-by: Tom Rix <trix@redhat.com>
---
 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 65d3c6ba35ae6..81b2304b1fdeb 100644
--- a/drivers/net/wireless/ath/ath11k/qmi.c
+++ b/drivers/net/wireless/ath/ath11k/qmi.c
@@ -1932,7 +1932,7 @@ static int ath11k_qmi_assign_target_mem_chunk(struct ath11k_base *ab)
 			if (!hremote_node) {
 				ath11k_dbg(ab, ATH11K_DBG_QMI,
 					   "qmi fail to get hremote_node\n");
-				return ret;
+				return -EINVAL;
 			}
 
 			ret = of_address_to_resource(hremote_node, 0, &res);
-- 
2.26.3

trix@redhat.com wrote:

> From: Tom Rix <trix@redhat.com>
> 
> Clang static analysis reports this problem
> qmi.c:1935:5: warning: Undefined or garbage value returned to caller
>   return ret;
>   ^~~~~~~~~~
> 
> ret is uninitialized.  When of_parse_phandle() fails, garbage is
> returned.  So return -EINVAL.
> 
> Fixes: 6ac04bdc5edb ("ath11k: Use reserved host DDR addresses from DT for PCI devices")
> Signed-off-by: Tom Rix <trix@redhat.com>

I just applied a fix from Dan:

https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/?h=ath-next&id=c9b41832dc08

Patch set to Superseded.

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20220116144206.399385-1-trix@redhat.com/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches