From 7cc5b87e86a1e084f859cb2114d288e66b1e92ed Mon Sep 17 00:00:00 2001
From: Zheyu Ma <zheyuma97@gmail.com>
Date: Mon, 18 Oct 2021 02:16:22 +0000
Subject: [PATCH] cavium: Return negative value when pci_alloc_irq_vectors() fails
Git-commit: b2cddb44bddc1a9c5949a978bb454bba863264db
Patch-mainline: v5.15-rc7
References: stable-5.14.19
[ Upstream commit b2cddb44bddc1a9c5949a978bb454bba863264db ]
During the process of driver probing, the probe function should return < 0
for failure, otherwise, the kernel will treat value > 0 as success.
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/ethernet/cavium/thunder/nic_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c
index 9361f964bb9b..816453a4f8d6 100644
--- a/drivers/net/ethernet/cavium/thunder/nic_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nic_main.c
@@ -1193,7 +1193,7 @@ static int nic_register_interrupts(struct nicpf *nic)
dev_err(&nic->pdev->dev,
"Request for #%d msix vectors failed, returned %d\n",
nic->num_vec, ret);
- return 1;
+ return ret;
}
/* Register mailbox interrupt handler */
--
2.26.2