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

[ Upstream commit 03976af89e ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Hou Tao 2019-10-08 10:36:37 +08:00 committed by Greg Kroah-Hartman
parent bcd4bbf995
commit deb34c91eb
1 changed files with 0 additions and 1 deletions
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drivers/mtd/chips/cfi_cmdset_0002.c
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@ -794,7 +794,6 @@ 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;
}