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NTB: Fix an error code in ntb_msit_probe()

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[ Upstream commit 319f83ac98 ]

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>
This commit is contained in:
Yang Li 2021-06-07 13:56:20 +08:00 committed by Greg Kroah-Hartman
parent e76ccbdedb
commit ce660d6dfc
1 changed files with 3 additions and 1 deletions
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4
drivers/ntb/test/ntb_msi_test.c
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@ -369,8 +369,10 @@ static int ntb_msit_probe(struct ntb_client *client, struct ntb_dev *ntb)
if (ret) if (ret)
goto remove_dbgfs; goto remove_dbgfs;
if (!nm->isr_ctx) if (!nm->isr_ctx) {
ret = -ENOMEM;
goto remove_dbgfs; goto remove_dbgfs;
}
ntb_link_enable(ntb, NTB_SPEED_AUTO, NTB_WIDTH_AUTO); ntb_link_enable(ntb, NTB_SPEED_AUTO, NTB_WIDTH_AUTO);