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authorJérémy Lefaure <jeremy.lefaure@lse.epita.fr>2017-10-01 15:30:51 -0400
committerJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>2017-10-18 18:28:49 +0300
commit33957a104c86985f087b08a363590a948c9ff08c (patch)
treef5d4c5a426ea48f44ba8eac7ee4ab76c0c35c7c0 /drivers/char/tpm
parent2d56c71835acc9d69b402f7027091920306daf83 (diff)
tpm, tpm_tis: use ARRAY_SIZE() to define TPM_HID_USR_IDX
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>
Diffstat (limited to 'drivers/char/tpm')
-rw-r--r--drivers/char/tpm/tpm_tis.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index ebd0e75a3e4d..e2d1055fb814 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -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");