3.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Benjamin Poirier <bpoirier@xxxxxxx>
commit edb749f4390b3c1604233dc7c4fb0361f472e712 upstream.
Fixes the memory leak of struct jump_key allocated in get_prompt_str()
Signed-off-by: Benjamin Poirier <bpoirier@xxxxxxx>
Tested-by: "Yann E. MORIN" <yann.morin.1998@xxxxxxx>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@xxxxxxx>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
scripts/kconfig/list.h | 13 +++++++++++++
scripts/kconfig/mconf.c | 3 +++
2 files changed, 16 insertions(+)
--- a/scripts/kconfig/list.h
+++ b/scripts/kconfig/list.h
@@ -51,6 +51,19 @@ struct list_head {
pos = list_entry(pos->member.next, typeof(*pos), member))
/**
+ * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
+ * @pos: the type * to use as a loop cursor.
+ * @n: another type * to use as temporary storage
+ * @head: the head for your list.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_for_each_entry_safe(pos, n, head, member) \
+ for (pos = list_entry((head)->next, typeof(*pos), member), \
+ n = list_entry(pos->member.next, typeof(*pos), member); \
+ &pos->member != (head); \
+ pos = n, n = list_entry(n->member.next, typeof(*n), member))
+
+/**
* list_empty - tests whether a list is empty
* @head: the list to test.
*/
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -389,6 +389,7 @@ again:
.targets = targets,
.keys = keys,
};
+ struct jump_key *pos, *tmp;
res = get_relations_str(sym_arr, &head);
dres = show_textbox_ext(_("Search Results"), (char *)
@@ -402,6 +403,8 @@ again:
again = true;
}
str_free(&res);
+ list_for_each_entry_safe(pos, tmp, &head, entries)
+ free(pos);
} while (again);
free(sym_arr);
str_free(&title);
--
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