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menuconfig: Fix memory leak introduced by jump keys feature

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commit edb749f439 upstream.

Fixes the memory leak of struct jump_key allocated in get_prompt_str()

Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Tested-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Benjamin Poirier 2013-04-15 10:13:50 -04:00 committed by Greg Kroah-Hartman
parent 8957e4463f
commit 29e671b541
2 changed files with 16 additions and 0 deletions
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13
scripts/kconfig/list.h
View File

@ -50,6 +50,19 @@ struct list_head {
&pos->member != (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.

3
scripts/kconfig/mconf.c
View File

@ -389,6 +389,7 @@ static void search_conf(void)
.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 @@ static void search_conf(void)
again = true;
}
str_free(&res);
list_for_each_entry_safe(pos, tmp, &head, entries)
free(pos);
} while (again);
free(sym_arr);
str_free(&title);