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Subject[PATCH 5.4 245/260] NTB: Fix an error code in ntb_msit_probe()
Date
From: Yang Li <yang.lee@linux.alibaba.com>

[ Upstream commit 319f83ac98d7afaabab84ce5281a819a358b9895 ]

When the value of nm->isr_ctx is false, the value of ret is 0.
So, we set ret to -ENOMEM to indicate this error.

Clean up smatch warning:
drivers/ntb/test/ntb_msi_test.c:373 ntb_msit_probe() warn: missing
error code 'ret'.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/ntb/test/ntb_msi_test.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/ntb/test/ntb_msi_test.c b/drivers/ntb/test/ntb_msi_test.c
index 99d826ed9c34..662067dc9ce2 100644
--- a/drivers/ntb/test/ntb_msi_test.c
+++ b/drivers/ntb/test/ntb_msi_test.c
@@ -372,8 +372,10 @@ static int ntb_msit_probe(struct ntb_client *client, struct ntb_dev *ntb)
if (ret)
goto remove_dbgfs;

- if (!nm->isr_ctx)
+ if (!nm->isr_ctx) {
+ ret = -ENOMEM;
goto remove_dbgfs;
+ }

ntb_link_enable(ntb, NTB_SPEED_AUTO, NTB_WIDTH_AUTO);

--
2.30.2


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