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tpm, tpm_tis: use ARRAY_SIZE() to define TPM_HID_USR_IDX

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Signed-off-by: Jérémy Lefaure <jeremy.lefaure@lse.epita.fr>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
This commit is contained in:
Jérémy Lefaure 2017-10-01 15:30:51 -04:00 committed by Jarkko Sakkinen
parent 2d56c71835
commit 33957a104c
1 changed files with 2 additions and 1 deletions
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3
drivers/char/tpm/tpm_tis.c
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@ -30,6 +30,7 @@
#include <linux/freezer.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/kernel.h>
#include "tpm.h"
#include "tpm_tis_core.h"
@ -365,7 +366,7 @@ static struct pnp_driver tis_pnp_driver = {
},
};
#define TIS_HID_USR_IDX sizeof(tpm_pnp_tbl)/sizeof(struct pnp_device_id) -2
#define TIS_HID_USR_IDX (ARRAY_SIZE(tpm_pnp_tbl) - 2)
module_param_string(hid, tpm_pnp_tbl[TIS_HID_USR_IDX].id,
sizeof(tpm_pnp_tbl[TIS_HID_USR_IDX].id), 0444);
MODULE_PARM_DESC(hid, "Set additional specific HID for this driver to probe");