]> git.ipfire.org Git - thirdparty/linux.git/commitdiff
mtd: rawnand: fix double free in atmel_pmecc_create_user()
authorDan Carpenter <dan.carpenter@linaro.org>
Wed, 23 Oct 2024 08:40:56 +0000 (11:40 +0300)
committerMiquel Raynal <miquel.raynal@bootlin.com>
Thu, 5 Dec 2024 10:06:43 +0000 (11:06 +0100)
The "user" pointer was converted from being allocated with kzalloc() to
being allocated by devm_kzalloc().  Calling kfree(user) will lead to a
double free.

Fixes: 6d734f1bfc33 ("mtd: rawnand: atmel: Fix possible memory leak")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
drivers/mtd/nand/raw/atmel/pmecc.c

index a22aab4ed4e8abd6375010db395d217c0a289cf3..3c7dee1be21df17075e21ef5bbf6a70c229017b4 100644 (file)
@@ -380,10 +380,8 @@ atmel_pmecc_create_user(struct atmel_pmecc *pmecc,
        user->delta = user->dmu + req->ecc.strength + 1;
 
        gf_tables = atmel_pmecc_get_gf_tables(req);
-       if (IS_ERR(gf_tables)) {
-               kfree(user);
+       if (IS_ERR(gf_tables))
                return ERR_CAST(gf_tables);
-       }
 
        user->gf_tables = gf_tables;