From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
To: Artem Bityutskiy <dedekind1@gmail.com>,
Richard Weinberger <richard@nod.at>,
David Woodhouse <dwmw2@infradead.org>,
Brian Norris <computersforpeace@gmail.com>,
Boris Brezillon <bbrezillon@kernel.org>,
Marek Vasut <marek.vasut@gmail.com>
Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
"Gustavo A. R. Silva" <gustavo@embeddedor.com>
Subject: [PATCH] mtd: ubi: wl: Fix uninitialized variable
Date: Sat, 2 Mar 2019 13:59:07 -0600 [thread overview]
Message-ID: <20190302195907.GA16022@embeddedor.com> (raw)
There is a potential execution path in which variable *err*
is compared against UBI_IO_BITFLIPS without being properly
initialized previously.
Fix this by initializing variable *err* to 0.
Addresses-Coverity-ID: 1477298 "(Uninitialized scalar variable")
Fixes: 663586c0a892 ("ubi: Expose the bitrot interface")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
drivers/mtd/ubi/wl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 40f838d54b0f..cf07d869724f 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -1475,7 +1475,7 @@ static bool scrub_possible(struct ubi_device *ubi, struct ubi_wl_entry *e)
*/
int ubi_bitflip_check(struct ubi_device *ubi, int pnum, int force)
{
- int err;
+ int err = 0;
struct ubi_wl_entry *e;
if (pnum < 0 || pnum >= ubi->peb_count) {
--
2.21.0
reply other threads:[~2019-03-02 19:59 UTC|newest]
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