[PATCH] tpm: tpm_bios fix sparse warnings

Fixing the sparse warnings on the acpi_os_map_memory calls pointed out by
Randy.

Signed-off-by: Kylene Hall <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/char/tpm/tpm_bios.c

···
 {
 	struct acpi_tcpa *buff;
 	acpi_status status;
-	void *virt;
+	struct acpi_table_header *virt;
 
 	if (log->bios_event_log != NULL) {
 		printk(KERN_ERR
···
 
 	log->bios_event_log_end = log->bios_event_log + buff->log_max_len;
 
-	acpi_os_map_memory(buff->log_start_addr, buff->log_max_len, &virt);
+	acpi_os_map_memory(buff->log_start_addr, buff->log_max_len, (void *) &virt);
 
 	memcpy(log->bios_event_log, virt, buff->log_max_len);