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net: sctp: sctp_ssnmap: remove 'malloced' element from struct 

sctp_ssnmap_init() can only be called from sctp_ssnmap_new()
where malloced is always set to 1. Thus, when we call
sctp_ssnmap_free() the test for map->malloced evaluates always
to true.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Borkmann 2013-04-16 11:07:10 +00:00 committed by David S. Miller
parent 92cf1f23cc
commit 542c2d8320
2 changed files with 11 additions and 11 deletions
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1
include/net/sctp/structs.h
View File

@ -399,7 +399,6 @@ struct sctp_stream {
struct sctp_ssnmap {
struct sctp_stream in;
struct sctp_stream out;
int malloced;
};
struct sctp_ssnmap *sctp_ssnmap_new(__u16 in, __u16 out,

21
net/sctp/ssnmap.c
View File

@ -74,7 +74,6 @@ struct sctp_ssnmap *sctp_ssnmap_new(__u16 in, __u16 out,
if (!sctp_ssnmap_init(retval, in, out))
goto fail_map;
retval->malloced = 1;
SCTP_DBG_OBJCNT_INC(ssnmap);
return retval;
@ -118,14 +117,16 @@ void sctp_ssnmap_clear(struct sctp_ssnmap *map)
/* Dispose of a ssnmap. */
void sctp_ssnmap_free(struct sctp_ssnmap *map)
{
if (map && map->malloced) {
int size;
int size;
size = sctp_ssnmap_size(map->in.len, map->out.len);
if (size <= KMALLOC_MAX_SIZE)
kfree(map);
else
free_pages((unsigned long)map, get_order(size));
SCTP_DBG_OBJCNT_DEC(ssnmap);
}
if (unlikely(!map))
return;
size = sctp_ssnmap_size(map->in.len, map->out.len);
if (size <= KMALLOC_MAX_SIZE)
kfree(map);
else
free_pages((unsigned long)map, get_order(size));
SCTP_DBG_OBJCNT_DEC(ssnmap);
}