linux-kernel - [PATCH 5.4 091/111] ipack: tpci200: fix error return code in tpci200

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Message-Id: <20200526183941.551886747@linuxfoundation.org>
Date:   Tue, 26 May 2020 20:53:49 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hulk Robot <hulkci@...wei.com>,
        Wei Yongjun <weiyongjun1@...wei.com>,
        Samuel Iglesias Gonsalvez <siglesias@...lia.com>
Subject: [PATCH 5.4 091/111] ipack: tpci200: fix error return code in tpci200_register()

From: Wei Yongjun <weiyongjun1@...wei.com>

commit 133317479f0324f6faaf797c4f5f3e9b1b36ce35 upstream.

Fix to return negative error code -ENOMEM from the ioremap() error handling
case instead of 0, as done elsewhere in this function.

Fixes: 43986798fd50 ("ipack: add error handling for ioremap_nocache")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
Cc: stable <stable@...r.kernel.org>
Acked-by: Samuel Iglesias Gonsalvez <siglesias@...lia.com>
Link: https://lore.kernel.org/r/20200507094237.13599-1-weiyongjun1@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/ipack/carriers/tpci200.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/ipack/carriers/tpci200.c
+++ b/drivers/ipack/carriers/tpci200.c
@@ -306,6 +306,7 @@ static int tpci200_register(struct tpci2
 			"(bn 0x%X, sn 0x%X) failed to map driver user space!",
 			tpci200->info->pdev->bus->number,
 			tpci200->info->pdev->devfn);
+		res = -ENOMEM;
 		goto out_release_mem8_space;
 	}