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tpm: remove superfluous check in tpm_tis_send()

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Checking if variable chip is NULL after dereferencing it makes no sense.
As discribed in [1] it is not expected that the variable can ever be NULL.

[1] Re: [PATCH] tpm: avoid NULL pointer dereference in tpm_tis_send()
    https://lore.kernel.org/u-boot/YaFwDtKKYRr7qzWc@apalos.home/

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Heinrich Schuchardt 2023-11-11 01:35:30 +01:00 • committed by Ilias Apalodimas
parent dca7a8958f
commit 9086e8f04d
1 changed files with 0 additions and 3 deletions
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3
drivers/tpm/tpm2_tis_core.c
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@ -224,9 +224,6 @@ int tpm_tis_send(struct udevice *dev, const u8 *buf, size_t len)
u8 status; u8 status;
int ret; int ret;
if (!chip)
return -ENODEV;
ret = tpm_tis_request_locality(dev, 0); ret = tpm_tis_request_locality(dev, 0);
if (ret < 0) if (ret < 0)
return -EBUSY; return -EBUSY;