register_proc_table and unregister_proc_table didn't deal with the
possibility that the *table pointer could be NULL. Check for this and
return if table is NULL.
Reported-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Signed-off-by: Bill Pemberton <wfp5p@xxxxxxxxxxxx>
---
drivers/staging/dgrp/dgrp_specproc.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/staging/dgrp/dgrp_specproc.c b/drivers/staging/dgrp/dgrp_specproc.c
index a5840e7..24327c3 100644
--- a/drivers/staging/dgrp/dgrp_specproc.c
+++ b/drivers/staging/dgrp/dgrp_specproc.c
@@ -229,6 +229,9 @@ static void register_proc_table(struct dgrp_proc_entry *table,
int len;
mode_t mode;
+ if (table == NULL)
+ return;
+
for (; table->id; table++) {
/* Can't do anything without a proc name. */
if (!table->name)
@@ -297,6 +300,9 @@ static void unregister_proc_table(struct dgrp_proc_entry *table,
struct proc_dir_entry *de;
struct nd_struct *tmp;
+ if (table == NULL)
+ return;
+
list_for_each_entry(tmp, &nd_struct_list, list) {
if ((table == dgrp_net_table) && (tmp->nd_net_de)) {
unregister_dgrp_device(tmp->nd_net_de);
--
1.7.12
_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
