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    Subject[PATCH v3 2/3] efi: add a sanity check to efivar_store_raw()
    Date
    Add a sanity check to efivar_store_raw() the same way
    efivar_{attr,size,data}_read() and efivar_show_raw() have it.

    Signed-off-by: Vladis Dronov <vdronov@redhat.com>
    ---
    drivers/firmware/efi/efivars.c | 3 +++
    1 file changed, 3 insertions(+)

    diff --git a/drivers/firmware/efi/efivars.c b/drivers/firmware/efi/efivars.c
    index 69f13bc4b931..aff3dfb4d7ba 100644
    --- a/drivers/firmware/efi/efivars.c
    +++ b/drivers/firmware/efi/efivars.c
    @@ -208,6 +208,9 @@ efivar_store_raw(struct efivar_entry *entry, const char *buf, size_t count)
    u8 *data;
    int err;

    + if (!entry || !buf)
    + return -EINVAL;
    +
    if (in_compat_syscall()) {
    struct compat_efi_variable *compat;

    --
    2.20.1
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