mtd: cfi_cmdset_0002: don't free cfi->cfiq in error path of cfi_amdstd_setup()

Else there may be a double-free problem, because cfi->cfiq will
be freed by mtd_do_chip_probe() if both the two invocations of
check_cmd_set() return failure.

Signed-off-by: Hou Tao <houtao1@huawei.com>
Reviewed-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index f4fb860fcaf61163e38c3bf5575f24639f2ea1dd..5b2a25b49333eadc424f9d41959a7d599936f22b 100644 (file)
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -785,7 +785,6 @@ static struct mtd_info *cfi_amdstd_setup(struct mtd_info *mtd)
        kfree(mtd->eraseregions);
        kfree(mtd);
        kfree(cfi->cmdset_priv);
-       kfree(cfi->cfiq);
        return NULL;
 }