[PATCH] Re: scsi proc_info called unconditionally

On Sat, Aug 16, 2003 at 10:44:09AM +0200, Olaf Hering wrote:
>
> Why is ->proc_info() called when the function pointer is NULL?

Looks like the check for it's presence got lost in

	[PATCH] Correct removal of procfs host enteries [1/2]

Here's a trivial patch to get it back:

drivers/scsi/scsi_proc.c

@@ -81,6 +81,9 @@ static int proc_scsi_write_proc(struct file *file, const char *buf,
 
 void scsi_proc_hostdir_add(struct scsi_host_template *sht)
 {
+	if (!sht->proc_info)
+		return;
+
 	down(&global_host_template_sem);
 	if (!sht->present++) {
 		sht->proc_dir = proc_mkdir(sht->proc_name, proc_scsi);
@@ -96,6 +99,9 @@ void scsi_proc_hostdir_add(struct scsi_host_template *sht)
 
 void scsi_proc_hostdir_rm(struct scsi_host_template *sht)
 {
+	if (!sht->proc_info)
+		return;
+
 	down(&global_host_template_sem);
 	if (!--sht->present && sht->proc_dir) {
 		remove_proc_entry(sht->proc_name, proc_scsi);