linux-kernel - [PATCH V2] mtd: phram: Fix error return code in phram

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Message-ID: <20210408133812.1209798-1-yukuai3@huawei.com>
Date:   Thu, 8 Apr 2021 21:38:12 +0800
From:   Yu Kuai <yukuai3@...wei.com>
To:     <joern@...ybastard.org>, <miquel.raynal@...tlin.com>,
        <richard@....at>, <vigneshr@...com>
CC:     <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <yukuai3@...wei.com>, <yi.zhang@...wei.com>
Subject: [PATCH V2] mtd: phram: Fix error return code in phram_setup()

Return a negative error code from the error handling case instead
of 0, as done elsewhere in this function.

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Yu Kuai <yukuai3@...wei.com>
---
 drivers/mtd/devices/phram.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c
index 5b04ae6c3057..6ed6c51fac69 100644
--- a/drivers/mtd/devices/phram.c
+++ b/drivers/mtd/devices/phram.c
@@ -270,6 +270,7 @@ static int phram_setup(const char *val)
 	if (len == 0 || erasesize == 0 || erasesize > len
 	    || erasesize > UINT_MAX || rem) {
 		parse_err("illegal erasesize or len\n");
+		ret = -EINVAL;
 		goto error;
 	}
 
-- 
2.25.4