[PATCH AUTOSEL 5.4 340/459] EDAC/sifive: Fix return value check in ecc_register()

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From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>

[ 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@xxxxxxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Link: https://lkml.kernel.org/r/20200115150303.112627-1-weiyongjun1@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 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 413cdb4a591db..bb9ceeaf29bf9 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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