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);