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    Subject[PATCH 5.7 245/477] powerpc/powernv: add NULL check after kzalloc
    Date
    From: Chen Zhou <chenzhou10@huawei.com>

    [ Upstream commit ceffa63acce7165c442395b7d64a11ab8b5c5dca ]

    Fixes coccicheck warning:

    ./arch/powerpc/platforms/powernv/opal.c:813:1-5:
    alloc with no test, possible model on line 814

    Add NULL check after kzalloc.

    Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
    Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
    Link: https://lore.kernel.org/r/20200509020838.121660-1-chenzhou10@huawei.com
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    arch/powerpc/platforms/powernv/opal.c | 4 ++++
    1 file changed, 4 insertions(+)

    diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
    index 2b3dfd0b6cdd8..d95954ad4c0af 100644
    --- a/arch/powerpc/platforms/powernv/opal.c
    +++ b/arch/powerpc/platforms/powernv/opal.c
    @@ -811,6 +811,10 @@ static int opal_add_one_export(struct kobject *parent, const char *export_name,
    goto out;

    attr = kzalloc(sizeof(*attr), GFP_KERNEL);
    + if (!attr) {
    + rc = -ENOMEM;
    + goto out;
    + }
    name = kstrdup(export_name, GFP_KERNEL);
    if (!name) {
    rc = -ENOMEM;
    --
    2.25.1


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