linux-kernel - [PATCH] Fix error-code overwrite bug

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Date:	Sun,  4 Jan 2015 19:04:22 +0100
From:	Giel van Schijndel <me@...tis.eu>
To:	linux-kernel@...r.kernel.org
Cc:	Giel van Schijndel <me@...tis.eu>,
	David Woodhouse <dwmw2@...radead.org>,
	Brian Norris <computersforpeace@...il.com>,
	linux-mtd@...ts.infradead.org (open list:MEMORY TECHNOLOGY...)
Subject: [PATCH] Fix error-code overwrite bug

Don't overwrite the returned error code with the boolean test used by
the if-statement (otherwise it'd be 1 or 0 always, 1 in the if-block).
---
 drivers/mtd/nftlmount.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nftlmount.c b/drivers/mtd/nftlmount.c
index 51b9d6a..1cbeb6b 100644
--- a/drivers/mtd/nftlmount.c
+++ b/drivers/mtd/nftlmount.c
@@ -91,7 +91,7 @@ static int find_boot_record(struct NFTLrecord *nftl)
 		/* To be safer with BIOS, also use erase mark as discriminant */
 		if ((ret = nftl_read_oob(mtd, block * nftl->EraseSize +
 					 SECTORSIZE + 8, 8, &retlen,
-					 (char *)&h1) < 0)) {
+					 (char *)&h1)) < 0) {
 			printk(KERN_WARNING "ANAND header found at 0x%x in mtd%d, but OOB data read failed (err %d)\n",
 			       block * nftl->EraseSize, nftl->mbd.mtd->index, ret);
 			continue;
-- 
2.1.4

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