tpm: Add include guards in tpm.h

cricard13 · Jarkko Sakkinen · commit d2efee6e3ac8 · 2016-06-25T17:26:35.000+03:00
Add missing include guards in tpm.h

Signed-off-by: Peter Huewe &lt;peter.huewe@infineon.com&gt;
Signed-off-by: Christophe Ricard &lt;christophe-h.ricard@st.com&gt;
Reviewed-by: Jarkko Sakkinen &lt;jarkko.sakkinen@linux.intel.com&gt;
Tested-by: Jarkko Sakkinen &lt;jarkko.sakkinen@linux.intel.com&gt;
Tested-by: Stefan Berger &lt;stefanb@linux.vnet.ibm.com&gt;
Reviewed-by: Stefan Berger &lt;stefanb@linux.vnet.ibm.com&gt;
Signed-off-by: Jarkko Sakkinen &lt;jarkko.sakkinen@linux.intel.com&gt;
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
@@ -19,6 +19,10 @@
  * License.
  *
  */
+
+#ifndef __TPM_H__
+#define __TPM_H__
+
 #include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/fs.h>
@@ -528,3 +532,4 @@ extern unsigned long tpm2_calc_ordinal_duration(struct tpm_chip *, u32);
 extern int tpm2_do_selftest(struct tpm_chip *chip);
 extern int tpm2_gen_interrupt(struct tpm_chip *chip);
 extern int tpm2_probe(struct tpm_chip *chip);
+#endif
