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Subject[PATCH AUTOSEL 5.5 394/542] EDAC/sifive: Fix return value check in ecc_register()
Date
From: Wei Yongjun <weiyongjun1@huawei.com>

[ Upstream commit 6cd18453b68942913fd3b1913b707646e544c2ac ]

In case of error, the function edac_device_alloc_ctl_info() returns a
NULL pointer, not ERR_PTR(). Replace the IS_ERR() test in the return
value check with a NULL test.

Fixes: 91abaeaaff35 ("EDAC/sifive: Add EDAC platform driver for SiFive SoCs")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200115150303.112627-1-weiyongjun1@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/edac/sifive_edac.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/edac/sifive_edac.c b/drivers/edac/sifive_edac.c
index c0cc72a3b2be9..3a3dcb14ed99d 100644
--- a/drivers/edac/sifive_edac.c
+++ b/drivers/edac/sifive_edac.c
@@ -54,8 +54,8 @@ static int ecc_register(struct platform_device *pdev)
p->dci = edac_device_alloc_ctl_info(0, "sifive_ecc", 1, "sifive_ecc",
1, 1, NULL, 0,
edac_device_alloc_index());
- if (IS_ERR(p->dci))
- return PTR_ERR(p->dci);
+ if (!p->dci)
+ return -ENOMEM;

p->dci->dev = &pdev->dev;
p->dci->mod_name = "Sifive ECC Manager";
--
2.20.1
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