[PATCH] eventdev/vector: fix adapter slot search

Stephen Hemminger stephen at networkplumber.org
Fri Oct 23 17:40:34 CEST 2026


Building with clang and enabling option to find unreachable code
found this bug.

The loop looking for a free adapter slot returned EEXIST as soon
as it found a used slot, so only one adapter could be created per
event queue.

Keep searching; the existing check after the loop reports when
all slots are in use.

Fixes: e12c3754da7a ("eventdev/vector: introduce event vector adapter")
Cc: stable at dpdk.org

Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
---
 drivers/net/qede/base/ecore_dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/qede/base/ecore_dev.c b/drivers/net/qede/base/ecore_dev.c
index e895dee405..6e76ac9c2f 100644
--- a/drivers/net/qede/base/ecore_dev.c
+++ b/drivers/net/qede/base/ecore_dev.c
@@ -1544,7 +1544,7 @@ static u32 ecore_hw_bar_size(struct ecore_hwfn *p_hwfn,
 	if (ECORE_IS_CMT(p_hwfn->p_dev)) {
 		DP_INFO(p_hwfn,
 			"BAR size not configured. Assuming BAR size of 256kB for GRC and 512kB for DB\n");
-		val = BAR_ID_0 ? 256 * 1024 : 512 * 1024;
+		val = bar_id == BAR_ID_0 ? 256 * 1024 : 512 * 1024;
 	} else {
 		DP_INFO(p_hwfn,
 			"BAR size not configured. Assuming BAR size of 512kB for GRC and 512kB for DB\n");
-- 
2.53.0



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