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path: root/drivers/char/tpm/tpm_nsc.c
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Diffstat (limited to 'drivers/char/tpm/tpm_nsc.c')
-rw-r--r--drivers/char/tpm/tpm_nsc.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c
index 26287aace87d..608f73071bef 100644
--- a/drivers/char/tpm/tpm_nsc.c
+++ b/drivers/char/tpm/tpm_nsc.c
@@ -284,7 +284,7 @@ static struct device_driver nsc_drv = {
static int __init init_nsc(void)
{
int rc = 0;
- int lo, hi;
+ int lo, hi, err;
int nscAddrBase = TPM_ADDR;
struct tpm_chip *chip;
unsigned long base;
@@ -297,7 +297,9 @@ static int __init init_nsc(void)
return -ENODEV;
}
- driver_register(&nsc_drv);
+ err = driver_register(&nsc_drv);
+ if (err)
+ return err;
hi = tpm_read_index(nscAddrBase, TPM_NSC_BASE0_HI);
lo = tpm_read_index(nscAddrBase, TPM_NSC_BASE0_LO);